×4=
÷ =
3+ =
×5÷ ×5=
× =
÷8=
5﹣ =
( ﹣ )×24=
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=