题目内容
(2012?瑶海区)在括号里填适当的数.
-
=1
×
<
÷
>
.
| 9 |
| 8 |
| 1 |
| 8 |
| 1 |
| 8 |
| 6 |
| 7 |
| 1 |
| 2 |
| 1 |
| 2 |
| 6 |
| 7 |
| 5 |
| 9 |
| 1 |
| 3 |
| 1 |
| 3 |
| 5 |
| 9 |
分析:
-( )=1,求减数,用被减数减去差即可:
-1=
;
×( )<
,积比第一个因数小,所以第二个因数小于1即可;
÷( )>
,商大于被除数,所以除数要小于1.
| 9 |
| 8 |
| 9 |
| 8 |
| 1 |
| 8 |
| 6 |
| 7 |
| 6 |
| 7 |
| 5 |
| 9 |
| 5 |
| 9 |
解答:解:
-
=1
×
<
÷
>
.
故答案为:
,
,
.
| 9 |
| 8 |
| 1 |
| 8 |
| 6 |
| 7 |
| 1 |
| 2 |
| 6 |
| 7 |
| 5 |
| 9 |
| 1 |
| 3 |
| 5 |
| 9 |
故答案为:
| 1 |
| 8 |
| 1 |
| 2 |
| 1 |
| 3 |
点评:后两题不需要计算,只要找清楚规律,根据规律就可求解.
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