7.6÷4.2+2.4×0.25简便计算是7.6÷4+2.4×0.25
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/15 14:43:53
7.6÷4.2+2.4×0.25简便计算是7.6÷4+2.4×0.25
7.6÷4.2+2.4×0.25简便计算
是7.6÷4+2.4×0.25
7.6÷4.2+2.4×0.25简便计算是7.6÷4+2.4×0.25
7.6÷4+2.4×0.25
=7.6×0.25+2.4×0.25
=(7.6+2.4)×0.25
=10×0.25
=2.5
原题是不是错了 多了一个2
7.6÷4+2.4×0.25
=7.6*0.25+2.4*0.25
=0.25*(7.6+2.4)
=0.25*10
=2.5
望采纳!!!
=7.6*(1/4)+2.4*(1/4)=(7.6+2.4)*(1/4)=2.5
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