_______A____________P_______●_______________________________

mesarle22022-10-04 11:39:541条回答

_______A____________P_______●__________________________________B_____________
--3 0 5
已知数轴上有A,B 两个点,分别 表示有理数--3和5.动点P从A 出发,以每秒1个单位的速度向终点B移动,设移动时间为t秒,用含t的代数式表示P到点A 和点B的距离:PA=_____________PB =_________ 此时点P表示的数为____________________

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维他命ctt 共回答了21个问题 | 采纳率100%
PA=t,PB=8-t
-3+t
1年前

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