2.2x7.5+3.2×0.25的简便算法
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2.2x7.5+3.2×0.25＝22×0.75+3.2×0.25
咨询记录 · 回答于2023-04-28
2.2x7.5+3.2×0.25的简便算法
2.2x7.5+3.2×0.25的简便算法？我正在为您解答：
您好！根据目前的题目信息来看，2.2x7.5+3.2×0.25的简便算法？这是一个简单的计算题
2.2x7.5+3.2×0.25＝22×0.75+3.2×0.25
2.2x7.5+3.2×0.25＝22×0.75+3.2×0.25＝22×3×0.25+3.2×0.25＝（22×3+3.2）×0.25＝69.2×0.25
2.2x7.5+3.2×0.25＝22×0.75+3.2×0.25＝22×3×0.25+3.2×0.25＝（22×3+3.2）×0.25＝69.2×0.25＝17.3
答案：17.32.2x7.5+3.2×0.25＝22×0.75+3.2×0.25＝22×3×0.25+3.2×0.25＝（22×3+3.2）×0.25＝69.2×0.25＝17.3
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