Các câu hỏi tương tự
Tim x ,biet :
(x-78):70=0
(x-2)x (2x-10)=0
2x(x-5)=0
2x(x-6) =0
(x-15)x15=0
cho mình hỏi :x1 + x2 +x3 + .....+x49 +x50 + x51=0 tim x51 biet x49 +x50 =1 lưu ý x1, x2 ,.... chi la con so thu nhat thu 2 thu ba thoi chứ ko phải là x nhan cho so nhe
tim X
a. (X-34)x15=0
tim so tu nhien x ma x50=x
Xem chi tiết
a, tim x€Z biet (x-6) chia het cho (x-5)
b, tim x€Z, y€Z biet (x-1).(xy-5)=5
tim so nguyen a, b biet a lon hon 0 va a.(b-2)=3
tim x,y biet (x-2).(y+1)=23
bai 1)tim x biet
a )24-(36+5)=x
b)14-21=(13-x)-(15+8)
bai 2) tim x biet
a)17-x=-25+(-16+9)
b)3x-21=-19-(-2x)
bai 1 tim x biet
a) x+a =12
b)a-x=-8
c25-x=a
d)a-x-a=7
bai 2 tim x biet
a) -18-x=30
b)-25+x=-2 +9
c) -45-(x-1)=56
a, Tim so tu nhien x, y biet rang 4<9/x<12/y<18
b, Tim so nguyen x, y biet rang x/2 - 2/y = 1/2
bai 1 tim x biet
a)x-43+7=49-(50+3)
b)-(x-16)+70=45
bai2 tim x biet
a)2x-(-60)=3x-18
b)-45-5x=10-4x