Các câu hỏi tương tự
Tim x thoa man : -12.(x-5)+7.(3-x0) =5 .
7(x-3)-5(3-x0=11x-5
a) S= 75-(-1325-8250)-(248+3260+(-352)
b) S= 1-3+5-7+...+97-99
c) (x+1)+(x+2)+...+(x+10)=5755
d) (3x-12).(x-2)=0
e) (15-x)+(x-13)=7-(-8+x)
f) 4.(1-2x)-5.(3-x0=3
Tìm x;
a) (-x+5)(3-x)=0
b) x(2+x)(7-x0)=0
tim cap so tu nhien X0 Y0 thoa man 92*x+1)*(x-5)=12
a) -12+(x-9)<0 tìm x thuộc Z
b)x-(13-x)=-24+(-7+x)
c) (x - 7)+( 5-x)=12-(-8+x)
d)5(x-6)-2(x+3)=12
e)3(x-4)-(8-x)=12
f) 7(x-3)-5(3-x)=11x-5
g) 7(x-9)-5(6-x)=-6+11x
a) -12+(x-9)<0 tìm x thuộc Z
b)x-(13-x)=-24+(-7+x)
c) (x - 7)+( 5-x)=12-(-8+x)
d)5(x-6)-2(x+3)=12
e)3(x-4)-(8-x)=12
f) 7(x-3)-5(3-x)=11x-5
g) 7(x-9)-5(6-x)=-6+11x
Tìm x biết :
1/-5 +(-3+12-x)=7-(2-8)
2/8-(7-x+3)=-|-7+2|-(-9)
3/-(12-5+9-x)=3-|5-8+2|
4/-(-3-x+8)-(-3+5)=|5-8|
5/-|5-8|-(4-x+5)=4+|3-9|
Bai 1 Tim x biet
a)162+(15-x0=125
b)x^3*x^2=2^7/4
c)5(x+27)=200
d)x-3=6-(19-23)
e)(x+32)-145=92
f) 2*3^x=162
g)9x-9=3^2/3
h)162-(15+x)=148
Bai 2 Thuc hien phep tinh
a)12+14+16+18+...+86+88
b)217+[43+(-217)+(-23)]
c) (-345)+[(-724)+345+224]
d)2^3*3-(12-36)