5.76乘以22减0.42的简便算法

5.76乘以22减0.42的简便算法
2024-12-04 20:32:56
推荐回答(1个)
回答1:

5.76乘以22减0.42
=5.76x(20+2)-0.42
=5.76x20+5.76x2-0.42
=115.2+11.52-0.42
=115.2+11.1
=126.3

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