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7.6乘以7.3加上1.9乘以4乘以7.3用简便方法计算怎么做?
人气:244 ℃ 时间:2019-08-21 14:41:49
解答
7.6乘以7.3加上1.9乘以4乘以7.3
7.6×7.3+1.9×4×7.3=7.6×7.3+7.6×7.3=7.3×7.6×2=110.96
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