题目内容
101×25的简便算法是( )
| A.100×25+1 | B.100×25+100 | C.100×25+25 |
101×25,
=(100+1)×25,
=100×25+1×25,
=2500+25,
=2525.
故选:C.
=(100+1)×25,
=100×25+1×25,
=2500+25,
=2525.
故选:C.
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题目内容
| A.100×25+1 | B.100×25+100 | C.100×25+25 |