13.7×0.25-3.7÷4简便

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13.7×0.25-3.7÷4简便
13.7×0.25-3.7÷4简便

13.7×0.25-3.7÷4简便
=13.7x0.25-3.7x0.25
=(13.7-3.7)x0.25
=10x0.25
=2.5

13.7-3.7* 0.25

13.7×0.25-3.7÷4
=13.7×0.25-3.7×0.25
=0.25×(13.7-3.7)
=0.25×10
=2.5

1/4(13.7+3.7)

乘以0.25其实就是除以4 再化简就变成(13.7-3.7)÷4=2.5