Question

直接写得数． 3 4 + 1 4 =	1- 4 9 =	1 4 - 1 8 =	3 4 + 2 5 =
2 3 - 1 6 =	3 2 - 1 2 =	3 7 +0=	1 5 - 1 15 =

Answer 1

考点：分数的加法和减法

专题：运算顺序及法则

分析：根据分数加减法的计算方法进行解答即可．

解答： 解：

3 4 + 1 4 =1	1- 4 9 = 5 9	1 4 - 1 8 = 1 8	3 4 + 2 5 = 23 20
2 3 - 1 6 = 1 2	3 2 - 1 2 =1	3 7 +0= 3 7	1 5 - 1 15 = 2 15

点评：此题考查了分数加减法的口算能力．