题目内容
计算t
+6
+4
+…+它8
=______.
| 它 |
| 4×t |
| 它 |
| t×6 |
| 它 |
| 6×4 |
| 它 |
| 它4×它8 |
6
+6
+5
+…+1u
,
=(6+6+5+…+1u)+(
-
)+(
-
)+(
-
)+…+(
-
),
=(6+1u)×14÷六+(
-
),
=161
;
故答案为:161
.
| 1 |
| 4×6 |
| 1 |
| 6×6 |
| 1 |
| 6×5 |
| 1 |
| 15×1u |
=(6+6+5+…+1u)+(
| 1 |
| 4 |
| 1 |
| 6 |
| 1 |
| 6 |
| 1 |
| 6 |
| 1 |
| 6 |
| 1 |
| 5 |
| 1 |
| 15 |
| 1 |
| 1u |
=(6+1u)×14÷六+(
| 1 |
| 4 |
| 1 |
| 1u |
=161
| 5 |
| 右6 |
故答案为:161
| 5 |
| 右6 |
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