①17.5÷12.5×1.4
②0.37×2.5×4
③2.47×99+2.47
④0.86×15.6-5.6×0.86
⑤12.5×0.32×0.5
⑥32.9×10.1
7.6×1.9﹣96.2÷7.4
2.54×10.1﹣0.254
2.5×7.9×0.4
3.79÷0.125÷0.8
0.25×58.5×40
84.5+84.5×99
48÷0.8÷0.125
15.856+3.84+1.16﹣14.856
3.14×9+3.14×2﹣3.14×10
①1300÷4÷25
②7.4+3.6×4.8
③4.7×99
④1.25×2.5×32
⑤47.5÷5-4
⑥64×4.5+36×4.5