Question

直接写出得数． 13 1 3 + 1 4 =	10÷ 2 5 =	3 5 ÷ 9 10 =	1÷ 7 8 =	2 3 × 3 10 =
3 4 ×25 2 5 × 4 3 =	8× 3 8 +8× 1 8 =	55× 1 11 ÷ 1 8 =	1 2 × 1 3 ÷ 1 2 × 1 3 =	0× 7 12 + 1 8 =

Answer 1

考点：分数除法,分数乘法

专题：运算顺序及法则

分析：根据分数加法、分数减法、分数乘法和分数除法的计算法则进行解答即可．

解答：

解：13 1 3 + 1 4 =13 7 12	10÷ 2 5 =25	3 5 ÷ 9 10 = 2 3	1÷ 7 8 = 8 7	2 3 × 3 10 = 1 5
3 4 ×25 2 5 × 4 3 =25 2 5	8× 3 8 +8× 1 8 =4	55× 1 11 ÷ 1 8 =40	1 2 × 1 3 ÷ 1 2 × 1 3 = 1 9	0× 7 12 + 1 8 = 1 8

点评：明确分数加法、分数减法、分数乘法和分数除法的计算法则是解答此题的关键．