①74×201
②1300-300÷25×4
③147×48-48×47
④32×125×25
⑤535-128-72
⑥199+136+281+174
①102×35
②125×4×25×8
③8100÷25÷4
④38×99+38
⑤459-146-54-259
⑥478+81+119+122
①﹣(+)
②8.89﹣1.84﹣3.16
③÷9+×
④12.5×0.32×2.5