摘要： 5+3= 4-2= 6+2= 7-4= 8-8= 8-4=
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| 3.5+4.2= | 6+0.5= |
| 2.7-0.4= | 1-0.3= |
| 0.8+0.7= | 4.5-3= |
| 7.8-1.1= | 3.4-1.4= |
| 3米+0.5米= | 0.7米+0.3米= |
| 0.6元+1.5元= | 1.2-0.3= |
| 1.4+0.8= | 6.2+3.8= |
| 8.4+1.9= | 6.8+3.4= |
| 6×2= |
4×4= |
5×8= |
9×4= |
| 2×8= |
5×4= |
8×6= |
6×6= |
| 3×7= |
6×5= |
7×8= |
5×9= |
| 8×4= |
7×4= |
8×8= |
9×6= |
| 9×3= |
4×9= |
9×9= |
9×7= |
+
-
）×42
-
）÷
+
| 3.5+4.2= | 6+0.5= |
| 2.7-0.4= | 1-0.3= |
| 0.8+0.7= | 4.5-3= |
| 7.8-1.1= | 3.4-1.4= |
| 3米+0.5米= | 0.7米+0.3米= |
| 0.6元+1.5元= | 1.2-0.3= |
| 1.4+0.8= | 6.2+3.8= |
| 8.4+1.9= | 6.8+3.4= |
| 13.4-8= | 5.6+3.4= | 0.5÷0.125= | 10-2.3= | 7.5×0.4= |
| 2.3×4×0= | 16÷3.2= | 3.5÷0.5= | 0.55+0.45= | 0.06×0.7= |
| 0.125×80= |