2t+1/2×0.01×t²=3t经过哪几步化为0.01t²-2t=0?/是分号²是平方
问题描述：
2t+1/2×0.01×t²=3t经过哪几步化为0.01t²-2t=0?
/是分号
²是平方
答
2t+1/2×0.01×t^2=3t
1/2×0.01t^2+2t-3t=0
1/2×0.01t^2-t=0
0.01t^2-2t=0