(35-?)x(22+38)=1200 ?等于几?
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(35-?)x(22+38)=1200 ?等于几?
(35-?)x(22+38)=1200 ?等于几?
(35-?)x(22+38)=1200 ?等于几?
1200/60=20
35-20=15
15
(35-?)×(22+38)=1200
(35-?)×60=1200
35-?=1200÷60
35-?=20
35-20=?
?=15
35-1200/(22+38)=15
35道.符号^代表平方.读起来就是(X的平方).1,x^-x-202,x^-9x+203,x^-9x-204,x^+9x+205,x^-18x+326,x^+14x-317,x^+18x+328,x^+14x-329,x^+19x+4810,x^+47x-4811,x^+13x-4812,x^+2x-4813,x^+26x+4814,x^-22x-4815,x^+17x+7216,x^+21x-10017,x^-x-7218,x
(x+x)+(x-x)+(x/x)=11.2
(35-?)x(22+38)=1200 ?等于几?
解方程(38-X)(22-x)=665
3(3x-2)=10-0.5(x+3.5)35(x-2)-15(5x-6)=(22x-63)-21(3x-4)
1440×(x-1)=1200x x等于多少
x*x*x*x+2008x*x+2007x+2008(提示:x*x*x-1=(x-1)*(x*x+x+1))
6x+4x(8-x)=38
x+x÷5+(x+35)=112
2x+4x(7-x)=22
1200(7-x)=1500x
x一(35%x+35%x+10)=38用方程解,
35(x-2)-4(4x-3)=(22x-63)-21(3x-4)
(5-X)X(7-X)=35 和(5+X)X(7+X)=35
5x+(15-x)=35
(X-35)%=39 求X?
132/X=121/(X-35),
2x+(22-x)=40