用简便方法计算 快 （1.375×0.25+2.625×0.25）÷25 37.2×48+372×5.1+37.24/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.049999×7778+3333×6666 2008×2006/2007

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/08 15:25:54
用简便方法计算 快 （1.375×0.25+2.625×0.25）÷25 37.2×48+372×5.1+37.24/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.049999×7778+3333×6666 2008×2006/2007

用简便方法计算 快 （1.375×0.25+2.625×0.25）÷25 37.2×48+372×5.1+37.24/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.049999×7778+3333×6666 2008×2006/2007
用简便方法计算 快
（1.375×0.25+2.625×0.25）÷25 37.2×48+372×5.1+37.2
4/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.04
9999×7778+3333×6666 2008×2006/2007

用简便方法计算 快 （1.375×0.25+2.625×0.25）÷25 37.2×48+372×5.1+37.24/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.049999×7778+3333×6666 2008×2006/2007
1.375×0.25+2.625×0.25）÷25 37.2×48+372×5.1+37.2
4/7×11/21+3/7÷21/11 1/4×3.62+0.25×2.34+25%×4.04
①（1.375×0.25+2.625×0.25）÷25
=[0.25x(1.375+2.625)]÷25
=[0.25×4]÷25
=1÷25
=1／25
② 37.2×48+372×5.1+37.2
=372×(4.8﹢5.1﹢0.1)
=372×10
=3720
③4/7×11/21+3/7÷21/11
=4／7×11／21﹢3／7×11／21
=11／21×(4／7﹢3／7)
=11／21×1
=11／21
④ 1/4×3.62+0.25×2.34+25%×4.04
=0.25×3.62﹢0.25×2.34﹢0.25×4.04
=0.24×(3.62+2.34+4.04)
=0.24 ×10
=2.4

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