0.77×998简便计算
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答案768.46简便计算: 0.77x998 =0.77x(1000-2) =0.77x1000-0.77x2 =770-1.54 =768.46
咨询记录 · 回答于2022-10-21
0.77×998简便计算
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答案768.46简便计算: 0.77x998 =0.77x(1000-2) =0.77x1000-0.77x2 =770-1.54 =768.46
答案768.46简便计算: 0.77x998 =0.77x(1000-2) =0.77x1000-0.77x2 =770-1.54 =768.46
运用数学拆分的思想,998=1000-2
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