【17.1-17.1÷(3.1-6/5)】x0.6
=(17.1-17.1÷1.9)×0.6
=(17.1-9)×0.6
=8.1×0.6
=4.86
0.28x4.17+0.28x5.83
=0.28×(4.17+5.83)
=0.28×10
=2.8
【17.1-17.1÷(3.1-6/5)】x0.6
=(17.1-17.1÷1.9)×0.6
=(17.1-9)×0.6
=8.1×0.6
=4.86
0.28x4.17+0.28x5.83
=0.28×(4.17+5.83)
=0.28×10
=2.8