题目内容
101×57=( )
| A.100×57+57 | B.100×57-57 |
| C.(100+1)×57-57 |
101×57,
=(100+1)×57,
=100×57+1×57,
=100×57+57;
故选:A.
=(100+1)×57,
=100×57+1×57,
=100×57+57;
故选:A.
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题目内容
| A.100×57+57 | B.100×57-57 |
| C.(100+1)×57-57 |