已知:2a²+a-1=3,求2/3a²-2+1/3的值2a²+a-1=3,求2/3a²-2+1/3的值

来源:学生作业帮助网 编辑:作业帮 时间:2024/10/19 03:45:02
xQ[J@ʀ qIDLZH ҂ b~m}&$_݂4MbP?=̹Xr>/:c%jVW] DuxVEywdRG'?A3RlF n+Y i)ARv*|X玜tx}t^» RI p` a^T?6~mx]M Oaױɿ}F 0537 ^xV7sR6oeL? k,y|"$8u":&2~F.*BM\GM!*sZ}kl.x$U.)k,) L5=paR܎;l 6TĤ > JH:d\U'G\H_zwp;