题目内容
把
+
+
+
+
改写成乘法算式是______.
| 13 |
| 29 |
| 11 |
| 29 |
| 9 |
| 29 |
| 7 |
| 29 |
| 5 |
| 29 |
(13+11+9+7+5)÷5=9
所以
+
+
+
+
的平均数是
,
=
×5
=
=1
,
故答案为:
×5.
所以
| 13 |
| 29 |
| 11 |
| 29 |
| 9 |
| 29 |
| 7 |
| 29 |
| 5 |
| 29 |
| 9 |
| 29 |
=
| 9 |
| 29 |
=
| 45 |
| 29 |
=1
| 16 |
| 29 |
故答案为:
| 9 |
| 25 |
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