5×π=
5÷=
1÷5%=
0.42=
×8÷×8=
2.4×5=
0.3÷6=
456+44=
0.33=
+79×=
10÷0.05=
1.97+4.13=
3897–2998=
÷75%=
(+)×=
0.125×7×8=
-10%=
4.5-4.5+4.5÷4.5=
①
②
③
④
⑤
⑥
⑦
⑧
3.8×99+3.8 2.8+4.36+5.64 [×(-)]÷
4.2÷0.07=
0.33-0.23=
=
×÷ ×=
4.6+54=
+×2=
1÷30%=
4÷-÷4=