①625÷1.25
②85.6﹣2.57﹣32.43+4.4
③1.25×(2.6+5.4)
④(113.6﹣4.17)÷2.5÷0.4
⑤5.7×9.2+14.3×(12.1﹣2.9)
⑥[(17﹣4.5)×0.2+7.5]×0.31
18.1÷100= 0.5-0.04= 0.9×0.8 = 10.11×0=
0.86-0.6= 2+7.8= 0.56+0.44= 10-0.8=
3.7+7.3= 14-3.9= 4.8+2.12= 4.72-2.72=