题目内容
-1
×(-
)=
.
| 1 |
| 5 |
| 1 |
| 3 |
| 2 |
| 5 |
| 2 |
| 5 |
分析:把带分数化为假分数,然后根据有理数的乘法运算法则进行计算即可得解.
解答:解:-1
×(-
)
=-
×(-
)
=
.
故答案为:
.
| 1 |
| 5 |
| 1 |
| 3 |
=-
| 6 |
| 5 |
| 1 |
| 3 |
=
| 2 |
| 5 |
故答案为:
| 2 |
| 5 |
点评:本题考查了有理数的乘法,注意把带分数化为假分数.
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