Question

八上数学书76面第8.11题

Answer 1

8题：

(1)x=5或x=-5

（2）x=9或x=-9

（3）x=6/5或x=-6/5

11题

（1）依次为2,3,5,6,7,0,|a|

(2)依次为4,9,25,36,49,0,a