25×6×7×4简便计算?

2025-03-21 07:26:22
推荐回答(2个)
回答1:

先计算25*4=100
后计算6*7=42
100*42=4200

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回答2:

25x6x7x4
=(25x4)x(6x7)
=100x42
=4200
望采纳,谢谢