a, xâm hại quyền được phát triênrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
nếu bị xâm hại như vậy thì em sẽ báo cho công an
a, 2 228 455
Vì M là trung điểm của AB => AM=MB= 1/2 AB=4:2=2
14 bạn giỏi
5 bạn TB
19 bạn khá
2 bạn yếu
a,\(\dfrac{-14}{3}\)
b,0
c,\(\dfrac{9}{5}\)
Gọi ƯCLN (n -1, n-2) là d
n-1 chia hết cho d
n-2 chia hết cho d
n-1-(n-2) chia hết cho d
1 chia hết cho d
d=1
vậy \(\dfrac{n-1}{n-2}\) là phân số tối giản
IB=5
AE=6,5
600 mét vuông
a,\(\dfrac{-2}{11}\)
b,7