- 45 . (100 - 2) = -45 . 100 - (-45) . 2 = (- 4500) - (-90) = -4410
Tick nha
- 45 . (100 - 2) = -45 . 100 - (-45) . 2 = (- 4500) - (-90) = -4410
Tick nha
tim x biet;
/x+1/2/+/x+1/6/+.......+/x+1/110/=11*x
Cac ban trinh bay that day du nhe
Cac ban lam nhanh ho minh,minh dang can gap
(1/2-1):(1/3-1):(1/4-1):...:(1/98-1):(1/99-1):(1/100-1)
Tinh nhanh nhanh nhe
tim x biet
/x+2/=/x-2/
minh biet dap an la 0 nhung trinh bay kieu gi
giup minh nhe, nhanh len minh can gap
Tinh nhanh
(1200-60):12=
213-98
Giup mk nha mk tick cho ma nho la tinh nhanh nhe can than phep thu 2 dung tru luon toan lop 6 day
1+2-3-4+...+97+98-99-100
nhanh len minh tick cho nhe
Tinh
A=5-52+53-54+...-598+599
trinh bay cach lam nhe
Tinh nhanh:
(-1)*(-1)^2*(-1)^3*(-1)^4*...*(-1)^99*(-1)^100
Giup minh nhe!
chung to tong sau chia het cho 31
S=2+22+23+....+299+2100.
NHANH nhe minh dang can gap
tinh nhanh
a) A= 33(1-2/3)(1-2/5)...(1-2/99)
b) B=101+100+99+98+...+3+2+1/101-100+99-98+...+3-2+1
c) C=423134x846267-423133/423133x846267+423134