1÷0.05= 9.7+0.03= 2.5×4=
125%×8= 180÷6= ﹣0.5=
202= 0.6÷= 1﹣1÷9=
:= 0.53= ﹣×0=
905﹣260= =
= =
1.25×2.5×32= 8÷0.01=
808÷88≈ 697+296≈