2÷14÷ = 0.1+9.9×0.1=
1-+=
1÷×=
0.5-+0.5-=
÷75%=
(+)×24=
7÷×7÷=
100÷50%=
10.2+80%=
0.5×0.1÷0.5=
265-30= 0.25×400= 56÷= +1.25= 6×70%= 0.24÷0.6= 3.14×42=
0.1×0.4= 16÷0.8= 720﹣180= 0.65+9.35=
:= ×0= ÷51= 0.01×99=
3.14×20= + = 0.5÷0.01= 0.32× =
21÷21%= × = 6-3 = ÷ =