tim x biet x+10 la boi cua x+1
tim x biet 2x+1 la uoc cua x+82
Tim x biet:
|x-10|10+|x-11|10=1
Tim tong cac so nguyen x biet -10<hoac bang x < 10
Tim x biet (x-3) + (x-2) + (x-1) + ... + 10 + 11 = 11
Tim so nguyen x biet: x+10=|x|-10
Ai giai nhanh minh tick cho. Giai ra nhe
tim x biet :
x+(x+1)+...+(x+10)=110
Tim cac so nguyen x,y biet
Cau a, x /10-1/y=3/10
tim x biet:
(x-3)+(x-2)+(x-1)+....+10+11=11
tim x biet (x^3+5)(x^3+10)(x^3+15)(x^3+30)<0