(t+3t²-3)-(-t+4t²)
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(t+3t²-3)-(-t+4t²)(t+3t²-3)-(-t+4t²)(t+3t²-3)-(-t+4t²)(t+3t²-3)-(
(t+3t²-3)-(-t+4t²)
(t+3t²-3)-(-t+4t²)
(t+3t²-3)-(-t+4t²)
(t+3t²-3)-(-t+4t²)
=t+3t²-3+t-4t²
=-t²+2t-3
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来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/02 18:00:35
(t+3t²-3)-(-t+4t²)
(t+3t²-3)-(-t+4t²)
(t+3t²-3)-(-t+4t²)
(t+3t²-3)-(-t+4t²)
=t+3t²-3+t-4t²
=-t²+2t-3