这个方程解得多少?(102-x-3)/((8/9)x) = 15/16
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 05:34:31
![这个方程解得多少?(102-x-3)/((8/9)x) = 15/16](/uploads/image/z/10910059-43-9.jpg?t=%E8%BF%99%E4%B8%AA%E6%96%B9%E7%A8%8B%E8%A7%A3%E5%BE%97%E5%A4%9A%E5%B0%91%3F%28102-x-3%29%2F%28%288%2F9%29x%29+%3D+15%2F16)
x){M|E募tɬ&kVkkhX[jVh**$ţYΆ|k5,-u+4lM*bZFFFM55/.H̳hU)[X+ZV(h[ 6 2ҀK(X) VKZhTX[ 5CeQ$m
aN e`{h㣎Y@q%TD*lc6+(ذ\
这个方程解得多少?(102-x-3)/((8/9)x) = 15/16
这个方程解得多少?
(102-x-3)/((8/9)x) = 15/16
这个方程解得多少?(102-x-3)/((8/9)x) = 15/16
(99-x)*16=40x/3
99*12=22x
解得x=54
2x² -9x +8 = 0
2(x² - 9/2 x) + 8=0
2(x-9/4)² -81/8 +8=0
(x-9/4)²=17/16
x - 9/4 =±√17/4
x=(9±√17)/4
求采纳 谢谢