1、2x^2=72。2、x^2=36。3、x=6或x=-6。使方程左右两边相等的未知数的值，叫做方程的解。求方程全部的解或判断方程无解的过程叫做解方程。必须含有未知数等式的等式才叫方程。等式不一定是方程，方程一定是等式。
(72) Can you make XPrivacy available on F-Droid, Amazon, etc?I don't want to publish XPrivacy in dozens of places, because it is extra work, which doesn't add any value. The current download locations, the Xposed repo and GitHub, should be accessible to almost everybody....
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72节回春医疗保健操(下篇)_672x384_2 是在优酷播出的体育高清视频,于2015-04-07 21:44:04上线。视频内容简介:72节回春医疗保健操(下篇)_672x384_2
(72) Can you make XPrivacy available on F-Droid, Amazon, or other stores/repositories?I don't want to publish XPrivacy in dozens of places, because it is extra work that doesn't add any value. The current download locations, the Xposed repo and GitHub, should be accessible to almost ...
x=√72 ,72在根号下
72x Optical Zoom, 16x Digital Zoom ICR Automatic Switching, 24 Hours Day and Night Monitor Excellent Low Illumination and Fine Image Quality Support Predictive Focus and Clear Image Support 3A Control (Auto White Balance, Auto Exposure, Auto Focus) S...
2x*x=72 2x^2=72 x^2=36 x^2-36=0 （x-6）（x+6）=0 x=6或-6
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