3x²+4-5x²)+(-x³-3+2x²)化简
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3x²+4-5x²)+(-x³-3+2x²)化简
我们课后经常讨论足球新闻。用英文
Doing moring exercises ( ) (heip) us () (get)ready for the day.动词
前面一提是数学,后面两道是英语
我们课后经常讨论足球新闻。用英文
Doing moring exercises ( ) (heip) us () (get)ready for the day.动词
前面一提是数学,后面两道是英语
![3x²+4-5x²)+(-x³-3+2x²)化简](/uploads/image/z/8735779-19-9.jpg?t=3x%26%23178%3B%2B4-5x%26%23178%3B%29%2B%EF%BC%88-x%26%23179%3B-3%2B2x%26%23178%3B%EF%BC%89%E5%8C%96%E7%AE%80)
(3x²+4-5x²)+(-x³-3+2x²)
=3x²+4-5x²-x³-3+2x²
=1-x³
We often discuss after class football news
动词原形?
再问: 动词填空:Doing moring exercises ( ) (heip) us () (get)ready for the day
再答: helpful Doing moring exercises (helpful)us (get)ready for the day
=3x²+4-5x²-x³-3+2x²
=1-x³
We often discuss after class football news
动词原形?
再问: 动词填空:Doing moring exercises ( ) (heip) us () (get)ready for the day
再答: helpful Doing moring exercises (helpful)us (get)ready for the day
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