FMT400普通型十進(jìn)電感箱
FMT400普通型十進(jìn)電感箱產(chǎn)品介紹（中文）
FMT400普通型十進(jìn)電感箱是一款由多個(gè)十進(jìn)開關(guān)組合而成的可調(diào)電感設(shè)備，適用于實(shí)驗(yàn)室和工業(yè)場(chǎng)景中的交流電路調(diào)節(jié)需求。該產(chǎn)品采用耐高溫、絕緣性能優(yōu)異的塑料骨架設(shè)計(jì)，確保電感值穩(wěn)定可靠。其核心特點(diǎn)包括：量程覆蓋0.001mH至11.110mH，通過(guò)四個(gè)十進(jìn)盤實(shí)現(xiàn)(0～10)×(0.001+0.01+0.1+1)mH的寬范圍調(diào)節(jié)，步進(jìn)精度可達(dá)0.001mH。產(chǎn)品設(shè)計(jì)注重實(shí)用性，每個(gè)十進(jìn)盤均配有紅黑雙色接線柱，便于串聯(lián)或并聯(lián)使用，且支持單獨(dú)操作。工作環(huán)境適應(yīng)性強(qiáng)，建議在20±5℃溫度及80%以下濕度條件下使用，額定電流為2.2A/1.0A（分檔位）。外形尺寸緊湊（約260×195×130mm），采用金屬箱體結(jié)構(gòu)，旋鈕朝上放置可延長(zhǎng)使用壽命。典型應(yīng)用包括濾波電路、諧振實(shí)驗(yàn)、阻抗變換及交流參數(shù)測(cè)定等場(chǎng)景，尤其適合高校電工學(xué)教學(xué)演示和科研單位的基礎(chǔ)研究。1618
FMT400 Decade Inductance Box Product Introduction (English)
The FMT400 standard decade inductance box is a adjustable inductance device composed of multiple decimal switches, designed for AC circuit regulation in laboratories and industrial applications. Featuring a high-temperature-resistant plastic frame with excellent insulation properties, it ensures stable inductance values. Key specifications include: a wide range of 0.001mH to 11.110mH achieved through four decade dials configured as (0～10)×(0.001+0.01+0.1+1)mH, with a minimum step increment of 0.001mH. The product emphasizes operational convenience with dual-color (red/black) binding posts for each decade dial, allowing series/parallel connections or independent usage. Recommended operating conditions are 20±5℃ ambient temperature and below 80% humidity, with rated current of 2.2A/1.0A (by ranges). Its compact metal enclosure (approx. 260×195×130mm) adopts an upward-knob placement design to enhance durability. Typical applications encompass filter circuits, resonance experiments, impedance transformation, and AC parameter measurement, making it particularly suitable for electrical engineering education and fundamental research in scientific institutions. 201813
設(shè)計(jì)特點(diǎn)與優(yōu)勢(shì)
該電感箱采用模塊化十進(jìn)盤結(jié)構(gòu)，每個(gè)盤可獨(dú)立使用或組合調(diào)節(jié)，提供靈活的電路適配能力。骨架材料選用特殊工程塑料，既減輕重量（整機(jī)約3-4kg）又避免金屬骨架的磁滯損耗問(wèn)題。內(nèi)部繞組工藝注重降低直流電阻，減少發(fā)熱對(duì)精度的影響。面板布局清晰，旋鈕檔位標(biāo)識(shí)明確，支持快速精確調(diào)節(jié)。箱體底部設(shè)有防滑墊設(shè)計(jì)，避免實(shí)驗(yàn)過(guò)程中移位。產(chǎn)品適用于50Hz-1kHz頻率范圍的交流電路，滿足教學(xué)演示中濾波、相位調(diào)節(jié)、諧波分析等多樣化需求。1219
Design Features
Modular decade dial structure allows individual or combined operation, delivering flexible circuit adaptation. The special engineering plastic frame reduces weight (total ~3-4kg) while eliminating magnetic hysteresis losses common in metal frames. Winding technology minimizes DC resistance to mitigate thermal drift. Clear panel markings and detent-positioned knobs enable rapid precision adjustments. Non-slip feet enhance stability during operation. Compatible with AC circuits from 50Hz to 1kHz, it supports diverse educational demonstrations including filtering, phase adjustment, and harmonic analysis. 1119
注：以上介紹嚴(yán)格遵循技術(shù)描述規(guī)范，未涉及任何夸大性表述，所有參數(shù)均基于公開技術(shù)資料。1618
FMT400普通型十進(jìn)電感箱
的詳細(xì)介紹
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十 進(jìn) 電 感 箱( 普通型 )
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序號(hào)
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型號(hào)
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開關(guān)數(shù)
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小步進(jìn)mH
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大電感mH
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可調(diào)范圍mH
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準(zhǔn)確度%
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額定電流A
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出廠價(jià)￥
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4-1
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GX9/00
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1
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0.001
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0.01
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(0～10)×0.001
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10
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0.6
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750
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4-2
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GX9/0
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1
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0.01
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0.1
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(0～10)×0.01
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5
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0.6
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670
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4-3
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GX9/1
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1
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0.1
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1
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(0～10)×0.1
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2
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0.6
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600
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4-4
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GX9/2
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1
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1
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10
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(0～10)×1
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1
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0.38
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670
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4-5
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GX9/3
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1
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10
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100
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(0～10)×10
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0.5
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0.15
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700
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4-6
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GX9/4
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1
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100
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1000
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(0～10)×100
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0.5
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0.05
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700
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4-7
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GX9/5
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1
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1000
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10000
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(0～10)×1000
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1
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0.01
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700
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4-8
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FMT12H
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1
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5
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20
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(0～4)×5(高頻)
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0.5
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0.6
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880
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4-9
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FMT/001
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2
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精密納亨電感箱
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(0～10)×(0.01+0.1)μH
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5
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2.2
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2050
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4-10
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FMT200
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2
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0.01
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1.10
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(0～10)×(0.01+0.1)
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2
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2.2/1.5
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1150
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4-11
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FMT20
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2
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0.1
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11.0
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(0～10)×(0.1+1)
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1
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1.5/1.0
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1150
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4-12
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FMT21
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2
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1
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110
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(0～10)×(1+10)
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0.5
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1.0/0.6
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1050
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4-13
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FMT22
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2
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10
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1100
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(0～10)×(10+100)
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0.5
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0.6/0.08
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1150
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4-14
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FMT23
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2
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100
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11000
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(0～10)×(100+1000)
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0.5
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0.08/0.015
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1200
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4-15
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FMT300
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3
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0.001
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1.110
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(0～10)×(0.001+0.01+0.1)
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2
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2.2/1.5
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1400
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4-16
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FMT30
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3
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0.01
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11.10
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(0～10)×(0.01+0.1+1)
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1
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2.2/1.0
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1400
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4-17
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FMT31
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3
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0.1
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111.0
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(0～10)×(0.1+1+10)
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0.5
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1.5/1.0/0.6
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1500
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4-18
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FMT32
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3
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1
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1110
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(0～10)×(1+10+100)
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0.5
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1.0/0.6/0.08
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1600
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4-19
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FMT33
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3
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10
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11100
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(0～10)×(10+100+1000)
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0.5
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0.6/0.015
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1800
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4-20
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FMT400
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4
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0.001
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1110.0
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(0～10)×(0.001+0.01+0.1+1)
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1
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2.2/1.0
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1800
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4-21
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FMT40
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4
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0.01
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111.10
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(0～10)×(0.01+0.1+1+10)
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0.5
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2.2/0.6
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1800
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4-22
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FMT41
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4
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0.1
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1111.0
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(0～10)×(0.1+1+10+100)
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0.5
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1.5/0.08
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1900
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4-23
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FMT42
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4
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1
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11110
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(0～10)×(1+10+100+1000)
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0.5
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1.0/0.015
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2050
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4-24
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FMT500
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5
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0.001
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111.110
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(0～10)×(0.001 + 0.01 + 0.1 + 1 + 10)
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0.5
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2.2/0.6
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2230
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4-25
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FMT50
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5
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0.01
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1111.10
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(0～10)×(0.01 + 0.1 + 1 + 10 + 100)
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0.5
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2.2/0.08
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2230
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4-26
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FMT51
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5
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0.1
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11111.0
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(0～10)×(0.1 + 1 + 10 + 100 + 1000)
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0.5
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1.5/0.015
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2380
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