100乘79加184乘21加84乘29简算
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解决时间 2021-12-03 15:49
- 提问者网友:疯孩纸
- 2021-12-02 16:27
100乘79加184乘21加84乘29简算
最佳答案
- 五星知识达人网友:野慌
- 2021-12-02 17:08
100x79+184x21+84x29
=100x79+(100+84)x21+84x29
=100x79+100x21+84x21+84x29
=100x(79+21)+84x(21+29)
=100x100+84x50
=10000+42x2x50
=10000+4200
=14200
=100x79+(100+84)x21+84x29
=100x79+100x21+84x21+84x29
=100x(79+21)+84x(21+29)
=100x100+84x50
=10000+42x2x50
=10000+4200
=14200
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