Các câu hỏi tương tự
tim 2 so biet
(x+1/2)+(x+1/4)+(x+1/8)+(1/16)
tim x biet : ( x + 1/2 ) + ( x + 1/4 ) + ( x + 1/8 ) + ( x + 1/16 ) = 1
tim x biet
(x+1/2)+(x+1/4)+(x+1/8)+(x+1/16)=1
tim x biet:
(x+1/2)+(x+1/4)+(x+1/8)+(x+1/16)=1
tim x biet 1- (5/3/8 + x - 7/5/24 ) / 16/2/3 =0
Tim x biet : ( x + 1 ) + ( x + 2 ) + ... + ( x + 100 ) = 5750
tim x biet : 1/3 x X +2/5x (X+1)=0
Bai 1: Tim ab ; biet ab = b x 9
Bai 2 : Tim ab, biet :
a) ab x 5 = 2ab b) ab = 4ab / 9.
Bai 3 : Tim ab, biet : a 2 = b x 5
Bai 4 : Tim cac so ab biet :
a) a x3 = bx9 b) a x4 = b x6.
Bai 5 :
a) Tim abc, biet a , b , c khac nhau va : a x bc = 91.
b) Tim a , b , c khac nhau biet aa x bc = 1001
tim x,biet: 1+2+3+5+...+x=55