6.4×0.25+3.6÷4怎么简算如题

问题描述:

6.4×0.25+3.6÷4怎么简算
如题

6.4×0.25+3.6÷4
=6.4×0.25+3.6*0.25
=0.25*(6.4+3.6)
=2.5

1.6*4*0.25+(4-0.4)/4

(6.4+3.6)*0.25

=1.6+0.9
=2.5

6.4×0.25+3.6÷4
=6.4÷4+3.6÷4
=(6.4+3.6)÷4
=10÷4
=2.5

合并同类项就是(6.4+3.6)*0.25=2.5

6.4×0.25+3.6÷4
=6.4×0.25+3.6×0.25
=(6.4+3.6)×0.25
=10×0.25
=2.5

乘0.25也是除4