a) x + 22 + (-14) + 52 = x + 60
b) (-90) - (p + 10) + 100
= -90 - p - 10 + 100
= (-90 -10 + 100) -p = -p
a) x + 22 + (-14) + 52 = x + 60
b) (-90) - (p + 10) + 100
= -90 - p - 10 + 100
= (-90 -10 + 100) -p = -p
(4-x) (3-x) de la so nguyen duong tim x
ghi ca cach lam ho minh nhe ai xong truoc minh tich
1*4+2*5+3*6+4*7+.....+100*103
giup minh nhe may ban
ghi ca cach lam ra nhe
ghi day du nhe
thanhs
Khi chia so a cho 18 ta duoc so du la 6. Hoi:
a) so a co chia het cho 6 khong?
b) so a co chia het cho 9 khong?
Cac ban nho giai thi ghi cach lam ra dum minh nha can gap lam do!!!!!!
Tim x biet:
a,10+x / x+17=3 / 4
b'40+x / 77-x=6/7
Nho viet ca cach lam nua nhe ,ai lam day du minh se tick!
Tim GTNN cua cac bieu thuc:
a,A=|x-1|+|x-2|+|x-3|+|x-4|+...+|x-10|
b,P=|3x-6|+|y2+1|+2015
Cach lam nua nhe
Lam nhanh minh se tick
Tim GTNN cua cac bieu thuc:
a,A=|x-1|+|x-2|+|x-3|+|x-4|+...+|x-10|
b,P=|3x-6|+|y2+1|+2015
Cach lam nua nhe
Lam nhanh minh se tick
Giup minh voi toi nay minh rat can, dung thi minh tich cho, ca cach lam nua nhe.
Tim x,y
a, 2x.y+xy=7
b, xy + 2x - 7y = 14
c, x^3 - 64x = 0
Tìm các số a,b thuộc N* biết rằng BCNN (a,b)+ UCLN(a,b)=19
guip minh voi ghi cach lam luon nhe cac ban Thanks cac ban nhueu
tim x thuoc Z biet:
|x-5|+x+3=16
|x-4|>x+2
||x+5|-4|=3
Cach lam nua nhe
minh chua biet cach lam,cac ban phaiviet cach lam vao minh moi tick
ko bat buoc lam tat ca cac cau