Ta có : \(\frac{-32}{27}-\left(3x-\frac{7}{9}\right)^3=\) \(\frac{-24}{27}\)
<=> \(-\left(3x-\frac{7}{9}\right)^3=\left(\frac{2}{3}\right)^3\)
<=> \(-\left(3x-\frac{7}{9}\right)=\left(\frac{2}{3}\right)\)
<=> x= \(\frac{1}{27}\) -------chỗ này tắt
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
Tinh nhanh
3.25.8+4.37.6+2.38.12
Dau cham la dau nhan nhe cac ban
giup minh 2 cau nay nhe ^^
1) 120 + ( (999-9x) : 60 ) x ( day la dau nhan ) 24= 480. Tim x
2) 3( x-9 ) + 15 = 12 + 243 : 32. Tim x
Giup mk nhe>.<!!!
Mk dang GAP!!!!!
Tinh nhanh:
6+6.9+6.9^2+6.9^3+...+6.9^99
Giup minh nhe!(cac dau cham la dau ngoac)
2 + x : 7 = 10
chữ x la chữ ích sờ nha cac bn ko phai la dau nhan dau nhe
tim x , dau cham tuc la dau nhan
5 .x +2 . ( x-3 ) = 36
8.6+288:(x-3)^2=50
dau cham la nhan do
giup voi nha !!!!!!!!!
tinh nhanh chu y dau nhan la cham
32 . 53 + 47. 15 + 7 . 45
94 + 72 . 94 + 33 . 99 - 6 . 94
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
