1.5÷30%=
0.25﹣0.18=
3 ×4=
0.3×400=
39.5÷8=
×10=
÷ =
52=
268+332=
9.7+4.2= 1.04﹣0.47= 0.25×0.8= 630+2.1=
+ = = = =
0.25×3.2= + = 0.7÷0.01= 9.04+0.6=
-0.375= 13÷91= 10÷20%= 0.81× =
月份
1月
2月
3月
4月
销量/万辆
28
21
36