题目内容
| 2 |
| 13 |
| 2 |
| 13 |
| 2 |
| 13 |
| 2 |
| 13 |
2
2
=| ( ) |
| ( ) |
| 3 |
| 7 |
| ( )×( ) |
| ( ) |
| ( ) |
| ( ) |
分析:根据分数乘法的意义进行解答即可.
解答:解:(1)
+
=
×2=
;
(2)
×4=
=
.
故答案为:
,2,
,
,
.
| 2 |
| 13 |
| 2 |
| 13 |
| 2 |
| 13 |
| 4 |
| 13 |
(2)
| 3 |
| 7 |
| 3×4 |
| 7 |
| 12 |
| 7 |
故答案为:
| 2 |
| 13 |
| 4 |
| 13 |
| 3×4 |
| 7 |
| 12 |
| 7 |
点评:此题考查了分数乘法的意义及运用.
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