简算:[17.1-17.1÷(3.1-0.7)]×0.6

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简算:[17.1-17.1÷(3.1-0.7)]×0.6
简算:[17.1-17.1÷(3.1-0.7)]×0.6

简算:[17.1-17.1÷(3.1-0.7)]×0.6
= 17.1*(1-1/2.4)*0.6 = 17.1*(0.6 -1/ 4)
= 17.1*1.9
=17.1(2-0.1)
=34.2-1.71
=32.49

=17.1(1-2.4)×0.6=17.1(2-0.6)×0.6=17.1(2-0.6+0.6)=17.1×2=34.2