tìm số dư khi chia
B= 2+2^3+2^5+2^7+2^9+2^11+...+2^2015+2^2017 cho 21
ai giai duoc cho 3 like\
giai thich ro nhe
tìm số dư khi chia
B= 2+2^3+2^5+2^7+2^9+2^11+...+2^2015+2^2017 cho 21
ai giai duoc cho 3 like\
giai thich ro nhe
Chung to rang : (9m+9)(9m+2)(9m+3)(9m+4) chia het cho 5 voi moi m thuoc N
Ai tra loi cau hoi nay toi co 10 nick GIUP TOI GIAI TOAN se vao tung nick de an like cho nguoi --do
- Ai tra loi truoc duoc 3 like
-xong nhi duoc 2 like
-Ai tra loi chinh xac duoc 5 like
GIAI THICH luon nhe cac ban
-nhung nguoi con lai toi cho 1like
a+x =5 a-x =2 neu duoc giai thich cach lam luon cho minh nhe
Thuc hien cac phep tinh
A,56:54+23×22-12017
ghi cach lam , loi giai ra nhe,trinh bay ro ra nhe!! Thank pho watching
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
tìm số dư khi chia B= 2+2^3+2^5+2^7+2^9+2^11+...+2^2015+2^2017 cho 21
so sanh
a, 3^300 va 2^300
b, 125^5 va 25^7
c, 9^20 va 27^13
d, 3^54 va 2^81
e, 10^3 va 2^100
g, 5^40 va 620^10
tim cach giai thich nhe
tìm số dư khi chia (2^1 +2^3 +2^5+2^7+2^9+2^11 +...+2^2015+2^2017) chia cho 7
