tim x
a) ( x- 35 ) . 16 = 0
b) 19. ( x- 7 ) = 19
c) 37. x + 63 . x = 200
dau cham la thay cho dau nhan nha cac ban mong cac ban giai nhanh va chac dung thank cac ban rat nhiu
[3.x-x]:2=x
tim x [dau. hieu la dau nhan]
42 : x
: la 3 dau cham nhung ko biet viet
8.6+288:(x-3)^2=50
dau cham la nhan do
giup voi nha !!!!!!!!!
-32/27-(3.x-7/9)3=-24/27
cac banlam nhanh nha minh can gap
dau cham la dau nhan nhe
nay dau cham o hai cau 2 va 3 la dau cham binh thuong con dau cham o hai cau 1 va 3 la dau nhan
Xin loi nhe may nha minh khong go dau duoc T.T
tim so tu nhien x biet
(2.x+1)mu 5 /(2.n+1)mu 2=1
2 mũ x+2 .2 mu x+........+10.2 mu x =10 . 11
dau / nay la dau chia
dau . nay la nhan do nhe!!!!
Tim x biet :
B) 19 . ( x - 7 ) = 19
dau cham thay cho dau nhan do nha cac ban mong cac ban giai nhanh va dung cho mik nha thank cac ban nhiu
tim x biet -{x-3} +2.{3x+2}=x-4
la dau ngoac don