Question

直接写数：

7× 3 14 =	3 7 ÷6=	4 5 ÷ 5 4 =	1.6÷0.7=	1÷3× 1 3 =
5 14 ÷ 5 14 =	1 8 ÷ 5 2 =	1 3 ×0.15=	3 7 ÷ 7 8 =	1 2 × 1 3 ÷ 1 3 × 1 2 =

Answer 1

分析：①⑧约分计算；②③⑤⑥⑦⑨把除法改为乘法，再计算；④把被除数和除数分别扩大10倍，写成分数形式；⑩可先算

1

3

÷

1

3

，再算

1

2

×

1

2

．

解答：

解： 7× 3 14 = 3 2	3 7 ÷6= 1 14	4 5 ÷ 5 4 = 16 25	1.6÷0.7= 16 7	1÷3× 1 3 = 1 9
5 14 ÷ 5 14 =1	1 8 ÷ 5 2 = 1 20	1 3 ×0.15=0.05	3 7 ÷ 7 8 = 24 49	1 2 × 1 3 ÷ 1 3 × 1 2 = 1 4

点评：此题考查了分数的约分计算、乘除法的转化以及简算等，根据题目特点，灵活解答．