Question

17．直接写出得数．

2.2×0.5=	7.6÷0.76=	1.25×8=	3.4×60=
36×0.04=	4.2÷0.14=	8÷1.6=	6.7+3=
60-0.58=	0.03×0.6=	1÷5=	1.3×0.2=
3.92×5.1≈	53.1÷0.89≈	7.01×2.78≈	90.01÷0.89≈

Answer 1

分析 根据四则运算的计算法则计算即可求解．

解答 解：

2.2×0.5=1.1	7.6÷0.76=10	1.25×8=10	3.4×60=204
36×0.04=1.44	4.2÷0.14=30	8÷1.6=5	6.7+3=9.7
60-0.58=59.42	0.03×0.6=0.018	1÷5=0.2	1.3×0.2=0.26
3.92×5.1≈20	53.1÷0.89≈60	7.01×2.78≈21	90.01÷0.89≈100

点评 考查了四则运算，关键是熟练掌握计算法则正确进行计算．