题目内容
(
-
×
)÷1
=(0×
)÷1
=0÷1
=0
| 5 |
| 6 |
| 5 |
| 6 |
| 8 |
| 15 |
| 7 |
| 9 |
| 8 |
| 15 |
| 7 |
| 9 |
| 7 |
| 9 |
×
×
.分析:根据题意,应先算小括号里面的乘法,再算小括号里面的减法,最后算除法,然后再进一步解答即可.
解答:解:(
-
×
)÷1
,
=(
-
)÷1
,
=
÷1
,
=
;
所以(
-
×
)÷1
=(0×
)÷1
=0÷1
=0是错误的.
故答案为:×.
| 5 |
| 6 |
| 5 |
| 6 |
| 8 |
| 15 |
| 7 |
| 9 |
=(
| 5 |
| 6 |
| 4 |
| 9 |
| 7 |
| 9 |
=
| 7 |
| 18 |
| 7 |
| 9 |
=
| 7 |
| 32 |
所以(
| 5 |
| 6 |
| 5 |
| 6 |
| 8 |
| 15 |
| 7 |
| 9 |
| 8 |
| 15 |
| 7 |
| 9 |
| 7 |
| 9 |
故答案为:×.
点评:四则运算,先弄清运算顺序,然后再进一步解答即可.
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