Question

口算．

2 13 ×65=	1 6 + 1 5 =	2 7 ÷ 2 21 =	1 3 - 1 9 =
8 9 ÷ 2 3 =	2 3 × 3 8 =	2 9 ÷ 2 27 =	7 17 ÷14=
5 6 × 3 10 ×2=	33 5 ÷3÷11=	3 4 ÷3÷ 1 3 =

Answer 1

考点：分数乘法,分数除法

专题：计算题

分析：根据分数加、减、乘、除法的计算方法进行计算．

解答：

解： 2 13 ×65=10	1 6 + 1 5 = 11 30	2 7 ÷ 2 21 =3	1 3 - 1 9 = 2 9
8 9 ÷ 2 3 = 4 3	2 3 × 3 8 = 1 4	2 9 ÷ 2 27 =3	7 17 ÷14= 1 34
5 6 × 3 10 ×2= 1 2	33 5 ÷3÷11= 1 5	3 4 ÷3÷ 1 3 = 3 4

点评：本题主要考查了学生对分数加、减、乘、除法计算方法的掌握．