Các câu hỏi tương tự
Cho x+y=10.tim x va y biet: x-3/y+7=3/4
tim x va y biet ti so cua x va y la 3/4 va4x-2y la 7
tim x dua vao quan he uoc boi:tim so tu nhien x sao cho x-1 la uoc cua 12tim so tu nhien x sao cho 2x+1 la uoc cua 28tim so tu nhien x sao cho x+15 la boi cua x+3tim cac so nguyen x,y sao cho (x+1)(y-2)3tim so nguyen x sao cho(x+2).(y-1)2tim so nguyen to x vua la uoc cua 275 vua la uoc cua 180tim so nguyen to x,y biet x+y12 va UCLL (x:y)5tim so tu nhien x,y biet x+y32 va UCLL (x:y)8tim so tu nhien x biet x chia het cho10; xchia het cho12; x chia het cho15 va 100x150tim so x nho nhat khac 0b biet...
Đọc tiếp
tim x dua vao quan he uoc boi:
tim so tu nhien x sao cho x-1 la uoc cua 12
tim so tu nhien x sao cho 2x+1 la uoc cua 28
tim so tu nhien x sao cho x+15 la boi cua x+3
tim cac so nguyen x,y sao cho (x+1)(y-2)=3
tim so nguyen x sao cho(x+2).(y-1)=2
tim so nguyen to x vua la uoc cua 275 vua la uoc cua 180
tim so nguyen to x,y biet x+y=12 va UCLL (x:y)=5
tim so tu nhien x,y biet x+y=32 va UCLL (x:y)=8
tim so tu nhien x biet x chia het cho10; xchia het cho12; x chia het cho15 va 100<x<150
tim so x nho nhat khac 0b biet x chia het cho 24 va 30
40 chia het cho x . 56 chia het cho x va x>6
Tim x, y va z, biet :
a) x/2 = y/3 = z/4 va x + y + z =18.
b) x/5 = y/-6 = z/7 va x + y - z =32.
c) x/5 = y/3 = z/2 va 2x + 3y + 4z =54.
d) x/2 = y/3 = z/6 va 3x - 2y + 2z = 24.
Ai biet thi chi giup minh nha. Cang nhanh cang tot ! Minh xin cam on.
Tim x,y,z biet:
a) x/3 = y/-4 = z/-5 va 2x + 3y - 4z = 70
b) x/3 = y/2; x/5 = 2/7 va x+y+z = 184
c) x/5 = y/-7 ; y/4 = z/15 va x+3y-4z=18
d) 2x/3 = 3y/4 = 4z/5 va x+y+z=49
e) x/y = 3/7 va x.y = 84
Help me, pleass!!
Hoi dong ARMY dung vo tam luot qua nhe!!
Ai nhanh nhat to tick cho!!😘
1,tim cac so nguyen x,y biet: -2/x=y/3 va x<0<y
2, Tim cac so nguyen x,y biet:x-3/y-2=3/2 va x-y=4
Tim so nguyen x,y biet:
a, xy = 12 va x + y =7
b, xy = -20 va x-y = -9
c, xy = 24 va x + y = -11
tim x va y biet : 2y.(x + 1) – x – 7 = 0
tim x y biet x-4/y-3=4/3 va x-y=5