怎样简便就怎样算.①59-0.375+1118-58②12.5×0.32×25③920÷6+16×120④56×0.25+14×16.-数学
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②12.5×0.32×25, =12.5×0.8×0.4×25, =(12.5×0.8)×(0.4×25), =10×10, =100; ③
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题文
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答案
①
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②12.5×0.32×25, =12.5×0.8×0.4×25, =(12.5×0.8)×(0.4×25), =10×10, =100; ③
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