你可能感兴趣的试题
3x+4y-3=8 3x+4x-6=8 3x-2x-3=8 3x+2x-6=8
X1 X2 (X1,X2) (X1,X2,X3,X4)
5x=1-3(x -1) x=1-(3 x -1) 5x=15-3(x -1) 5 x=3-3(x -1)
X1%=11,X2%=7,X3%=0.5 X1%=7,X2%=-0.5,X3%=11 X1%=-0.5,X2%=11,X3%=7 X1%=11,X2%=-0.5,X3%=7
X1 X2 (X1,X2) (X1,X2,X3,X4)
X1 X2 (X1,X2) (X1,X2,X3,X4)
x2·x3=x6 (x2)3=x8 x2+x3=x5 x6÷x3=x3
x2=-2,解方程,得x=± (x-2)2=4,解方程,得x-2=2,x=4 4(x-1)2=9,解方程,得4(x-1)=±3,x1=,x2= (2x+3)2=25,解方程,得2x+3=±5,x1=1,x2=-4
X1 X2 (Xl,X2) (Xl,X2,X3,X4)