Các câu hỏi tương tự
tim cac so nguyen x biet
a) (2x - 10 )(x + 3)=0
b)(x+ 5)(x2 - 9)=0
Tim cac gia tri nguyen cua x biet
a, Y=5x+9/ x+3
b, Tim cac cap so nguyen x , y thoa mai he thuc :
(2x-1).(y+4)
Tim cac so nguyen duong a,b,c biet rang:a^3-b^3-c^3=3ab va a^2=2(b+c)
Tim cac so nguyen x biet
a)\(\frac{x+2}{3}=\frac{2x-1}{5}\)
b)\(\frac{-x}{4}=\frac{-9}{x}\)
tim cac so nguyen x biet
a)(x + 3)(x2 + 9)<0
b)(x - 1)(2x2 - 8)=0
moi nguoi giup toi voi........cho ket qua thoi nha1. gia tri x+y+z biet :lx-5l+ly-4l+lz-4l02.so cac uoc nguyen duong cu 2^6.3^33.so cac uoc nguyen duong cua 184.so duong thang tao thanh boi 8 biem phan biet doi mot khong thang hang5.so tu nhien n thoa man 2^n+1:4^210246.UCLL(12,18,24)7.so tu nhien n thoa man 2+4+6.......+n1108.tim x 576.15:x5409.gia tri a+b+c bieta+b10,a+c25,b+c25so phan tu cua tap hop A cac so le nho hon 23
Đọc tiếp
moi nguoi giup toi voi........cho ket qua thoi nha
1. gia tri x+y+z biet :
lx-5l+ly-4l+lz-4l=0
2.so cac uoc nguyen duong cu 2^6.3^3
3.so cac uoc nguyen duong cua 18
4.so duong thang tao thanh boi 8 biem phan biet doi mot khong thang hang
5.so tu nhien n thoa man 2^n+1:4^2=1024
6.UCLL(12,18,24)
7.so tu nhien n thoa man 2+4+6.......+n=110
8.tim x 576.15:x=540
9.gia tri a+b+c biet
a+b=10,a+c=25,b+c=25
so phan tu cua tap hop A cac so le nho hon 23
bai 1 tim cac so nguyen x,y biet
a,x/3=7/y b,x/y=-3/11 c,x/y-1=5/-19
bai 2 tim cac so nguyen x,y,z,t biet
12/-6=x/5=-y/3=z/-17=-t/-9
Tim cac so nguyen duong a,b,c . Biet rang
a3-b3-c3=3abc va a2=2(b+c)
Bai 1 : Tim cac so nguyen x , y biet :
a, x +xy + y = 9
b, xy - 2x -3y = 5
c, xy - 2x + 5y = 2