942-42×12-196怎么简便运算?
发布网友
发布时间:2024-10-02 18:24
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热心网友
时间:2024-12-08 18:08
942-42×12-196
=942-504-196
=942-(504+196)
=942-700
=242
热心网友
时间:2024-12-08 18:08
解:
942-42×12-196
=942-504-196
=942-(504+196)
=942-700
=242
热心网友
时间:2024-12-08 18:09
942-42×12-196
=900+42-42×12-196
=900-200+4+42(1-12)
=704-420-42
=704-400-62
=304-62
=242