(-3)*(-0.25)+0.25*24.5+(-5.5)*(-0.25)的简便算法

(-3)*(-0.25)+0.25*24.5+(-5.5)*(-0.25)的简便算法
2024-11-22 23:02:39
推荐回答(3个)
回答1:

=-0.25×(-3-24.5-5.5)
=-0.25×(-33)
=8.25

回答2:

(-3)*(-0.25)+0.25*24.5+(-5.5)*(-0.25)
=3x0.25+24.5x0.25+5.5x0.25
=(3+24.5+5.5)x0.25
=33x0.25
=8.25

回答3:

你好,很高兴为你解答

(-3)*(-0.25)+0.25*24.5+(-5.5)*(-0.25)的简便算法

具体过程如下图。