FMT12H 普通十進(jìn)電感箱
FMT12H普通十進(jìn)電感箱產(chǎn)品概述
FMT12H是一款專為交流電路設(shè)計的教學(xué)用十進(jìn)電感箱，適用于高校實(shí)驗(yàn)室、科研機(jī)構(gòu)等場景。該產(chǎn)品采用單盤結(jié)構(gòu)，每個盤均設(shè)有獨(dú)立接線柱，支持串聯(lián)、并聯(lián)或單獨(dú)使用，操作靈活便捷。其核心功能是作為可變標(biāo)準(zhǔn)電感器，可廣泛應(yīng)用于濾波電路、阻抗變換、交流電橋和諧振電路等場景，滿足不同實(shí)驗(yàn)需求。電感箱采用耐高溫絕緣材料骨架，確保電感值穩(wěn)定可靠，工作頻率兼容1kHz±20Hz的正弦波信號。39
技術(shù)參數(shù)與性能特點(diǎn)
FMT12H的最小步進(jìn)值為5mH，最大電感為20mH，可調(diào)范圍為(0～4)×5mH（高頻模式），準(zhǔn)確度為0.5%。額定工作電流為0.6A，適合低功耗實(shí)驗(yàn)環(huán)境。產(chǎn)品設(shè)計注重實(shí)用性，箱體采用非金屬底座以減少鐵磁性干擾，確保測量精度。多檔位調(diào)節(jié)功能可通過旋鈕快速切換，同時紅黑雙色接線柱標(biāo)識清晰，便于用戶區(qū)分同名端連接。外型尺寸緊湊（參考常見單盤結(jié)構(gòu)），重量輕便，便于實(shí)驗(yàn)室移動和存放。2426
產(chǎn)品應(yīng)用場景
本電感箱特別適合教學(xué)演示和基礎(chǔ)電路實(shí)驗(yàn)，例如在交流電路中模擬電感參數(shù)變化、驗(yàn)證諧振頻率或構(gòu)建RLC振蕩電路。其高頻特性（如(1～4)×5mH范圍）還可用于射頻電路初步研究。用戶可通過組合多個電感箱擴(kuò)展量程，或與其他儀器（如示波器、信號發(fā)生器）配合完成綜合性實(shí)驗(yàn)。產(chǎn)品設(shè)計考慮了長時間工作的穩(wěn)定性，建議在環(huán)境溫度20±5℃、濕度80%以下條件下使用，避免金屬基座接觸以減小誤差。714
FMT12H Decade Inductance Box Introduction
The FMT12H is a single-decade inductance box designed for AC circuit applications in educational and research settings. It serves as an adjustable standard inductor, suitable for filtering, impedance matching, AC bridges, and resonant circuits. The unit features a high-frequency range of (0～4)×5mH with 0.5% accuracy, and its non-inductive winding structure ensures stable performance under 1kHz±20Hz sinusoidal waveforms. The red/black binding posts allow flexible series or parallel connections for extended functionality.326
Key Specifications
With 5mH minimum step and 20mH maximum inductance, the FMT12H operates at 0.6A rated current. Its compact design employs high-temperature-resistant insulation materials to minimize drift. The rotary switches provide precise adjustment, while the plastic base reduces magnetic interference. Typical applications include demonstrating inductive reactance principles, frequency response analysis, and basic RF circuit experiments. For optimal performance, avoid placing the unit on conductive surfaces during operation.29
Educational Value
This inductance box is ideal for university labs requiring hands-on exploration of AC circuit behaviors. Students can empirically verify theoretical models like phase shifts in RL circuits or resonant tank configurations. The open-terminal design encourages experimental creativity, while the robust construction withstands frequent use. When combined with other instruments, it forms a complete learning platform for fundamental electronics engineering concepts.714
FMT12H 普通十進(jìn)電感箱
的詳細(xì)介紹
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進(jìn) 電 感 箱( 普通型 )
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序號
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型號
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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￥
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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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