1\x+1=2\x-1
方程两边同时乘以x,得 1+x=2-x
2x=1
∴x=1/2(即二分之一)
1\x+1=2\x-1解方程过程 2x\2x+5 +5\5X-2=1解方程过程 a的平方\a-b -a-b计算过程
1\x+1=2\x-1解方程过程 2x\2x+5 +5\5X-2=1解方程过程 a的平方\a-b -a-b计算过程
(xy_y的平方)除x-Y\xy,当x等于1\2,Y等于-2时的值(过程)
1\x-2 +3=x-1\x-2解方程过程
分不多,但看在我是新手的份上帮帮忙吧!
(xy_y的平方)除x-Y\xy,当x等于1\2,Y等于-2时的值(过程)
1\x-2 +3=x-1\x-2解方程过程
分不多,但看在我是新手的份上帮帮忙吧!
数学人气:983 ℃时间:2020-05-16 14:54:33
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