×-÷ ÷[30%×(0.4+)] -8.25+40%-70%
×=
× =
3÷=
÷ 3=
=
0.48×=
×÷×=
÷5%=
10%×5=
1÷25%=
×1.2=
①×31
②
③139 ×+137 ×
④÷25
⑤×(150×36)×
⑥
①62.5%×+÷
②25%+÷
③÷25%
④×40%+×0.6
4.6×0.32= 91.2÷7.6= 78.6÷11=(商用循环小数表示)