| 56+37= | 80-16= | 5+5= | 12-1.1= |
| 2×0.2= | 2.87÷0.7= |  + = |  - = |
 = | 30÷50= | 25×8= |  + = |
 = | 12× = | 1÷ = | 0× = |
| 解：56+37=93 | 80-16=64 | 5+5=10 | 12-1.1=10.9 |
| 2×0.2=0.4 | 2.87÷0.7=4.1 | +=1 | -= |
= | 30÷50=0.6 | 25×8=200 | += |
| = | 12×=8 | 1÷= | 0×=0 |
分析：根据整数、分数、小数加、减、乘、除的计算方法进行计算．据此解答．
点评：本题综合考查了学生的计算能力．