1.25×3.2=
17.5﹣2.5×4=
0.33=
9.04+0.6=
=
5÷0.01=
296﹣98=
1000×0.9=
303÷0.1=
20÷20%=
+3÷=
①够 ②不够
+0.625= ×= 24÷40%= 7.2÷0.9÷0.8=