Question

直接写得数． 3 4 ×1.6=	12÷ 3 5 =	0.6× 5 12 =	1 6 + 5 6 × 1 5
1÷ 5 8 =	4 3 ×75%=	15÷ 5 8 =	7 8 ×16× 8 7 =
7 15 ÷ 7 9 =	2 3 ×0× 5 9 =	1.4× 5 6 =	1 2 × 1 5 ÷ 1 2 × 1 5 =

Answer 1

考点：分数的四则混合运算,分数乘法

专题：运算顺序及法则

分析：根据分数、小数加减乘除法的计算方法进行解答即可．

解答： 解：

3 4 ×1.6=1.2	12÷ 3 5 =20	0.6× 5 12 = 1 4	1 6 + 5 6 × 1 5 = 1 3
1÷ 5 8 = 8 5	4 3 ×75%=1	15÷ 5 8 =24	7 8 ×16× 8 7 =16
7 15 ÷ 7 9 = 3 5	2 3 ×0× 5 9 =0	1.4× 5 6 = 7 6	1 2 × 1 5 ÷ 1 2 × 1 5 = 1 25

点评：此题考查了分数、小数加减乘除法的口算能力．