Các câu hỏi tương tự
cho A = 2 + 22 + 23 + ... + 220 . chung minh rang A + 4 khong phai la so chinh phuong
cho A=3+4+42+...+420 chung minh rang A k phai la so chinh phuong
cho bieu thuc M= 5+52+53+.....+580chung to rang
a, M chia het cho 6
b, M khong phai la so chinh phuong
a) cho A = 1+3+5+7+...+(2n+1) Voi n thuoc N
chung to rang A la so chinh phuong
b)B=2+4+6+8+...+2n voi n thuocN
so B co phai la so chinh phuong ko
Chung minh rang: 41^2015+2017^2016+2016^2017+8001^2018 khong phai la so chinh phuong
Cho A = 2^2 + 2^3 + 2 ^4 + ..... + 2^10. CMR : A + 4 khong phai la so chinh phuong.
cho A =3+3^2+.........+3^2004
chung minh A chia het cho 130
A co phai la so chinh phuong hay khong
lam cu the nhe
mn giup minh voi
cam on nhung ban nao da giup minh giai bai toan nay
Cho B=2+2^2+.....+2^2019
a, Tim x eN sao cho A+2=2^x+100
b, A+2 co phai la mot so chinh phuong khong
c, A =3+3^2+....+3^300
chung to A chia 13
d, 2A + 3 co phai la so chinh phuong ko
cho A=30+31+32+33+....+330 chung minh rang tong A ko phai la so chinh phuong