Các câu hỏi tương tự
giup to giai bai toan nay voi to phai nop bai gap:chung minh rang so viet boi 100 chu so 1 tiep theo la 100 chu so 2 la TICH cua 2 so tu nhien lien tiep
1.tim 2 so tu nhien co hieu bang 2002 va tich bang 2006.
2.cho 100 so tu nhien 1,2,3,4,....100.
co the chon duoc 71 so tu nhien sao cho tong cua chung bang tong cua 29 so con lai khong
3.mot so chan co 4 chu so , trong do so tao boi chu so hang tram va hang chuc gap 3 lan chu so hang nghin va gap 2 lan chu so hang don vi .
[CAC BAN GHI LOI GIAI GIUP MINH NHE MINH CAM ON]
CHO A= 1/4+1/5+1/6+1/20+...+ 1/15. CHUNG TO A KHONG LA SO NGUYEN
AI BIET GIAI GIUP MINH NHE
CAM ON CAC BAN NHIEU !
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
1. khong tinh hay so sanh :
a,A=199x201 va B =200x200
b,C=35x53-18
c,D=35+53x34
2. 1so co 2 chu so la 3 so tu nhien lien tiep .Neu viet so do theo thu tu nguoc lai thi duoc so moi hon so cu la bao nhieu?
3. co hay khong?
(ab-ab)x(ab+ab)=2002
cac ban hay giup minh nhe ai giup minh ,minh se cho 1 like
1 quyen SGK toan lop 6 co tat ca 32 trang .2 trang dau khong danh so hoi phai dung tat ca bao nhieu chu so de danh tat ca cac trang sach nay .
cac ban giai giup minh nhe!
goi A la tich cac so nguyen lien tiep tu 1 den 1001 va B la tich cac so nguyen lien tiep tu 1006 den 2017 . hoi A+B co chia het cho 2017 ko?
cac ban ghi ca loi giai gia nhe . ai nhanh nhat minh se tick cho
Cho A=5+5^2+5^3+...+5^2016
a, A la hop so hay so nguyen to
b,A co phai la so chinh phuong khong ?
giup minh giai voi nha cac ban \(\)
Cho so tu nhien A gom 4030 chu so 1 , so tu nhien B gom 2015 chu so 2 . Chung minh rang A-B la mot so chinh phuong
cac ban giai ra nhe