题目内容
下面算式中,与9.9×101的结果相等是( )
| A.(9.9+0.1)×101 | B.(99+1)×9.9 |
| C.9.9+9.9×100 |
9.9×101,
=9.9×(100+1),
=9.9×100+9.9;
故选:C.
=9.9×(100+1),
=9.9×100+9.9;
故选:C.
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题目内容
| A.(9.9+0.1)×101 | B.(99+1)×9.9 |
| C.9.9+9.9×100 |