2t²+3t²-(3t²+5t-t²)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 04:35:05
![2t²+3t²-(3t²+5t-t²)](/uploads/image/z/1986877-37-7.jpg?t=2t%26%23178%3B%2B3t%26%23178%3B-%283t%26%23178%3B%2B5t-t%26%23178%3B%29)
2t²+3t²-(3t²+5t-t²)
2t²+3t²-(3t²+5t-t²)
2t²+3t²-(3t²+5t-t²)
2t²+3t²-(3t²+5t-t²)
=2t²+3t²-3t²-5t+t²
=3t²-5t
2t²+3t²-(3t²+5t-t²)=5t²-(2t²+5t)=5t²-2t²-5t=3t²-5t
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 04:35:05
2t²+3t²-(3t²+5t-t²)
2t²+3t²-(3t²+5t-t²)
2t²+3t²-(3t²+5t-t²)
2t²+3t²-(3t²+5t-t²)
=2t²+3t²-3t²-5t+t²
=3t²-5t
2t²+3t²-(3t²+5t-t²)=5t²-(2t²+5t)=5t²-2t²-5t=3t²-5t