0.89×150=
4.65×7.8=
3.58×0.28=
0.89﹣0.25= 1﹣0.98= 8.8﹣6.7= 5×400=
3.04+7.6= 1.23÷3= 0.4×0.06= 0÷1.89=
① -( - )-
②875-375÷25
③12.5×32×0.25
④48×75%+53× -0.75
⑤