①
②x-35%x=1.3
③20%x+=36
3-=
302+402=
1.21×=
1+0.25×25%=
10÷10%=
×3=
÷1.5=
=
家庭套票价目表
套票一:1大1小100元
套票二:2大2小150元
803-207= ÷5= 798+150= + =
0.25×8= 1.5- = 7.5÷ = 0.77+0.3=
9.8-8= × = 45.54÷45= 24× =
①36×()
②1.3×37.5%+2.7×
③ [()]
④13÷()×