题目内容
计算:(1)
=______,(2)
=______.
| 49×144 |
| 362+482 |
(1)
=
×
=7×12=84;
(2)
=
=
=60.
| 49×144 |
| 49 |
| 144 |
(2)
| 362+482 |
| 1296+2304 |
| 3600 |
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题目内容
| 49×144 |
| 362+482 |
| 49×144 |
| 49 |
| 144 |
| 362+482 |
| 1296+2304 |
| 3600 |