\(5)\)
\(\dfrac{11.4-11}{2-13}\)
\(=\dfrac{44-11}{-11}\)
\(=\dfrac{33}{-11}=-3\)
\(9)\)
\(\dfrac{17.5-17}{3-20}\)
\(=\dfrac{85-17}{-17}\)
\(=\dfrac{68}{-17}=-4\)
cac ban giup toi cau nay voi:
Thuc hien phep tinh(hop ly neu co the):
(10/99+11/199-12/299)x(1/2-1/3+-1/6)
mong cac ban giup minh nhanh voi a. Minh xin cam on
mn oi giup minh cau nay nua voi cam on nhieu lam
tinh tong
1-4+7-...+331-334
nhanh nha cam on
MN GIUP MINH VOI DAG CAN GAP
tim x
[(6x-39)chia 7 ]
x=?
cam on ban nao da giup minh giai cau nay
Cac ban tu bi giup minh tr aloi nhung cau hoi ma minh dat ra di,minh dang can gap,ai lam nhanh minh se tich cho nha,cam on cac ban nhiu nhe
tim x biet : (11/12+11/12.23+11/23.24+...+11/89.100) + x = 2/3
giup minh voi minh dang can gap xin cam on nhieu
H=2+2^2+2^3+2^4+...+2^100
giai giup minh nhe! xin cam on truoc
cau b -8 chia het x va 12 chia het x
cau c x chia het4 , x chia het -6 va -20 <x<-10
ai giup minh thi lam nhanh nha minh cam on truoc
6/7.5/11+5/7.2/11-5/7.14/11
giai chi tiet giup minh a
cam on:))
9-1396).17 = giup minh nhe cam on
M=(5^9+5^8+5^7).(3^6+3^5+3^4+3^3+3^2+3) chung minh chia het cho 2015
giup minh giai ra nhe cam on
