题目列表(包括答案和解析)
| 0.4×3= | 2.8×5= | 1.7×0.3= | 2.5×4= |
| 0.2×0.5= | 0.4×2.4= | 0.7×9= | 0.4×0.3= |
| 1.25×0.8= | 6×0.4= | 3×0.26= | 0.08×7= |
| 3.6÷1.2= 3 3 |
5×4= 20 20 |
8+3.7= 11.7 11.7 | |||||||||
| 0.8+1.5= 2.3 2.3 |
3÷0.5= 6 6 |
9-2.1= 6.9 6.9 | |||||||||
| 0.14×6= 0.84 0.84 |
4.2-3.7= 0.5 0.5 |
1 1 | |||||||||
| 80÷0.5= 160 160 |
|
2.1÷30= 0.07 0.07 | |||||||||
| 0.8×12= 9.6 9.6 |
1-0.19= 0.81 0.81 |
5.2-0.5= 4.7 4.7 | |||||||||
| 0.49+0.22= 0.71 0.71 |
1.3+0.07= 1.37 1.37 |
4-
3
3
| |||||||||
| 7.2÷0.18= 40 40 |
1
1 ．
|
| 0.3+1.6= | 5-4.6= | 1.4+0.7= | 3.4+3= | 9.8-4.5= | 2.6+3.4= |
| 9.2-1.7= | 6.9-6= | 80×70= | 120×30= | 23×40= | 50×24= |
+3.2+5
+6.8=
-（2-
）=
+
+
）×72=
÷
| 0.3+1.6= | 5-4.6= | 1.4+0.7= | 3.4+3= | 9.8-4.5= | 2.6+3.4= |
| 9.2-1.7= | 6.9-6= | 80×70= | 120×30= | 23×40= | 50×24= |
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