12.3012.3 5.6×0.85.6 16.9×1.116.9
0.103×100=
3.5+1.1=
15.6-11.2=
0.6×0.8=
16.36+12.33=
8.99-2.5=
15.69+1.9=
12-4.51=
6.9×0.32=
4x+9=25 x÷4=25 4×3.2+2x=20.8
15.42+6.78-2.42
3.6×197-97×3.6
(7.8-5.8)×2.4+3.6
分数小数
月份
1
2
3
4
5
销售量/台
150
120
140
80
155