23.5x2.8+2.35x72怎么用简便算法?

23.5x2.8+2.35x72怎么用简便算法?
2025-02-24 05:41:35
推荐回答(5个)
回答1:

23.5x2.8+2.35x72怎么用简便算法?
解:原式=23.5x2.8+23.5x7.2
=23.5x(2.8+7.2)
=23.5x10
=235

回答2:

235

回答3:

23.5x2.8+2.35x72
=2.35x28+2.35x72
=2.35x(28+72)
=2.35x100
=235

回答4:

23.5×2.8+2.35×72
=2.35×28+2.35×72
=2.35×(28+72)
=2.35×100
=235

回答5:

72还是7.2??