(4.5×0.6÷4.5×0.6)÷0.4的巧算

2024-11-25 16:58:41
推荐回答(4个)
回答1:

=(4.5÷4.5×0.6×0.6)÷0.4
=0.36÷0.4
=0.9

回答2:

(4.5×0.6÷4.5×0.6)÷0.4
=(4.5÷4.5x0.6x0.6)÷0.4
=0.36÷0.4
=0.9

回答3:

(4.5×0.6÷4.5×0.6)÷0.4
=(4.5÷4.5ⅹ0.6x0.6)÷0.4=(1X0.36)÷0.4
=0.9

回答4:


见图