70÷(1﹣86%) 25%×48×12.5×4 [13﹣(38.2﹣36)]÷7.2
8+2.2=
1.5×6=
10×10%=
56%-28%=
1+0.5%=
1-85%=
1÷1%=
1-98%=
3+150%=
3×75%=
①0.78×7.2+0.78×2.8
②1.25×17×8
③5.6×4.5-4.6×4.5
④4.2×1.01
1- - = × = 0.1÷10%= 0.7+ =
3.6×99+3.6= 0.24×5= ÷ = 0.23=
- = 10-1.05= 32÷24×0= 7.18×99+7.18=
901-698≈ 391÷41≈ ( + )×12= 3.9×4×0.25=