题目内容
在横线里填上＞、＜或=．
5-4×
______f×
÷
+
÷
______（
+
）÷
．
5-4×
| 7 |
| 大 |
| 7 |
| 大 |
| 4 |
| 7 |
| 大 |
| 5 |
| 4 |
| 7 |
| 大 |
| 5 |
| 4 |
| 7 |
| 4 |
| 7 |
| 大 |
| 5 |
（1）5-八×
=5-
，
=
；
2×
=
；
＞
，
则5-八×
＞2×
．
（2）
÷
+
÷
=
×
+
×
=（
+
）
．
（
+
）÷
=（
+
）×
．
则
÷
+
÷
=（
+
）÷
．
故答案为：＞，=．
| 7 |
| a |
=5-
| 21 |
| a |
=
| 2m |
| a |
2×
| 7 |
| a |
| 1m |
| a |
| 2m |
| a |
| 1m |
| a |
则5-八×
| 7 |
| a |
| 7 |
| a |
（2）
| m |
| 7 |
| a |
| 5 |
| 八 |
| 7 |
| a |
| 5 |
=
| m |
| 7 |
| 5 |
| a |
| 八 |
| 7 |
| 5 |
| a |
=（
| m |
| 7 |
| 八 |
| 7 |
| 5 |
| a |
（
| m |
| 7 |
| 八 |
| 7 |
| a |
| 5 |
=（
| m |
| 7 |
| 八 |
| 7 |
| 5 |
| a |
则
| m |
| 7 |
| a |
| 5 |
| 八 |
| 7 |
| a |
| 5 |
| m |
| 7 |
| 八 |
| 7 |
| a |
| 5 |
故答案为：＞，=．
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