题目内容
在横线里填上“>”、“<”或“=”.
×6
;
×
×
;
×1
;
×
×
;
×
;
×4
.
| 7 |
| 10 |
>
>
| 7 |
| 10 |
| 7 |
| 10 |
| 4 |
| 5 |
<
<
| 10 |
| 7 |
| 5 |
| 4 |
| 4 |
| 7 |
=
=
| 4 |
| 7 |
| 5 |
| 12 |
| 4 |
| 5 |
=
=
| 4 |
| 5 |
| 5 |
| 12 |
| 1 |
| 9 |
| 3 |
| 8 |
<
<
| 3 |
| 8 |
| 1 |
| 5 |
=
=
4×| 1 |
| 5 |
分析:一个数(0除外)乘小于1的数,积比原数小,乘大于1的数,积比原数大,乘1,积与原数相等,据此即可判断.
解答:解:
×6>
;
×
<
×
;
×1=
;
×
=
×
;
×
<
;
×4=4×
.
故答案为:>、<、=、=、<、=.
| 7 |
| 10 |
| 7 |
| 10 |
| 7 |
| 10 |
| 4 |
| 5 |
| 10 |
| 7 |
| 5 |
| 4 |
| 4 |
| 7 |
| 4 |
| 7 |
| 5 |
| 12 |
| 4 |
| 5 |
| 4 |
| 5 |
| 5 |
| 12 |
| 1 |
| 9 |
| 3 |
| 8 |
| 3 |
| 8 |
| 1 |
| 5 |
| 1 |
| 5 |
故答案为:>、<、=、=、<、=.
点评:此题主要依据积的变化规律解决问题.
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