45*2.7+4.5*5.3简便计算

45*2.7+4.5*5.3简便计算
2025-06-21 22:24:01
推荐回答(1个)
回答1:

4.5*2.7+4.5*5.3
=4.5x(2.7+5.3)
=4.5x8
=36
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