题目内容
与10.1×99.8-9.98计算结果不相等的算式是( )
| A.10.1×99.8-99.8×0.1 | B.(101-1)×9.98 |
| C.(10.1-10)×99.8 | D.(10.1-0.1)×99.8 |
10.1×99.8-9.98,
=10.1×99.8-99.8×0.1;
=(10.1-0.1)×99.8;
10.1×99.8-9.98,
=101×9.98-9.98,
=(101-1)×9.98;
故选:C.
=10.1×99.8-99.8×0.1;
=(10.1-0.1)×99.8;
10.1×99.8-9.98,
=101×9.98-9.98,
=(101-1)×9.98;
故选:C.
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