+0.625=
12-=
1÷0.05=
9.7+0.03=
10÷10%=
3.5×0.2=
12×101=
2x﹣13=39 13x﹣7.5x=3.4
477﹣199=
5%÷0.01=
36×99=
15﹣+=
5÷﹣÷5=
6.7×0.25×4=
0.4×12.5×8×2.5=
×5÷×5=
= 0.3÷0.4= 25×4%= +75%= ()×6=
6×÷2= ÷2÷= 11×-=
0.8×0.4= 9.3-2.7= 8.4÷0.7= 0.32+0.6= 0.25×4×0=
- = × = ÷ = + = ( + )×20=
×3= ×24= 6÷=
①75.6×27﹣170×7.56
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