5.6×0.35+0.56×1.2+0.047×44简便计算

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摘要您好，简便计算5.6×0.35+0.56×1.2+0.047×44=5.6×0.35+5.6×0.12+0.047×44=5.6×(0.35+0.12)+0.047×44=5.6×0.47+0.047×44=56×0.047+0.047×44=(56+44)×0.047=100×0.047=4.7

咨询记录 · 回答于2022-10-11

5.6×0.35+0.56×1.2+0.047×44简便计算

您好，简便计算5.6×0.35+0.56×1.2+0.047×44=5.6×0.35+5.6×0.12+0.047×44=5.6×(0.35+0.12)+0.047×44=5.6×0.47+0.047×44=56×0.047+0.047×44=(56+44)×0.047=100×0.047=4.7

做法解析:您好，这道混合计算题连续两次使用了乘法分配律进行的简便计算过程，最后等于4.7，请您查收

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