题目内容
一个矩形ABCD被分割成九个小矩形,且这些小矩形的面积如图所示,那么矩形ABCD的面积
是______.

是______.
矩形ABCD的面积=1+2+2
+1
+3+4+6+12+16,
=(1+2++3+4+6+12+16)+(2
+1
),
=44+2
+1
,
=48
.
故答案为48
.
| 2 |
| 3 |
| 1 |
| 2 |
=(1+2++3+4+6+12+16)+(2
| 2 |
| 3 |
| 1 |
| 2 |
=44+2
| 4 |
| 6 |
| 3 |
| 6 |
=48
| 1 |
| 6 |
故答案为48
| 1 |
| 6 |
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