186-59=
6.8+2=
5.4÷0.9=
90×90%=
0.25×( )=1
3.12-0.2=
4.2÷=
1-15%=
24÷5
10%+1%=
1-25%-60%=
÷7=
×9×=
×=
×(18+)=
+×12=
÷60%=
(3+)×0=
50%+=
×÷×=
17.15-(3.5-2.85)=
3020-105=
1.8+0.82=
4.8÷0.24=
4.2+8.7÷0.29=
+0.72=
1.25×0.8=
10.9-90%=
5.72÷0.01=
12.5×0.8=
3- = 10.3-0.89=
20×30%= 60÷20%= 1000×4.2%= 20000×2.3%=
3.14×0.42= 3.14×0.52= 3.14×33= 3.14×23=
优惠大酬宾
满80元减8元
满60元减5元