题目内容
口算．
| 7.5+9.2= | 9-2.7= | 16-0.9= | 2.6×0.3= | 4.5÷0.9= |
| 8.5×10= | 5.2÷0.2= | 1.2×6= | （1.5+0.25）×4= | 3×0.2×0.5= |
| 7.5+9.2=16.7 | 9-2.7=6.3 | 16-0.9=15.1 | 2.6×0.3=0.78 | 4.5÷0.9=5 |
| 8.5×10=85 | 5.2÷0.2=26 | 1.2×6=7.2 | （1.5+0.25）×4=7 | 3×0.2×0.5=0.3 |
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