4.26×7.3+42.6×0.27简便方法
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4.26×7.3+42.6×0.27=42.6×0.73+42.6×0.27=42.6×(0.73+0.27)=42.6×1=42.6
咨询记录 · 回答于2023-04-18
4.26×7.3+42.6×0.27简便方法
4.26×7.3+42.6×0.27=42.6×0.73+42.6×0.27=42.6×(0.73+0.27)=42.6×1=42.6
5.9×101-5.9
5.9×101-5.9=5.9×(101-1)=5.9×100=590