Question

（2013?泗县模拟）口算下面各题．

56+37=	80-16=	5+5=	12-1.1=
2×0.2=	2.87÷0.7=	1 6 + 5 6 =	7 15 - 1 15 =
3 8 × 4 5 =	30÷50=	25×8=	1 4 + 1 5 =
4 15 ÷ 2 5 =	12× 2 3 =	1÷ 4 5 =	0× 7 8 =

Answer 1

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．

解答：

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 6 + 5 6 =1	7 15 - 1 15 = 2 5
3 8 × 4 5 = 3 10	30÷50=0.6	25×8=200	1 4 + 1 5 = 9 20
4 15 ÷ 2 5 = 2 3	12× 2 3 =8	1÷ 4 5 = 5 4	0× 7 8 =0

点评：本题综合考查了学生的计算能力．