Các câu hỏi tương tự
Ai onl giai giup mk voi ha!
Chung minh rang :\(9^7+81^4-27^5\)chia het cho \(7\)
Chung minh rang 2010100+201099 chia het cho 2011
ai giai giup minh bai nay voi
Cho2011 so khac 0:\(a_1;a_2;.....;a_{2011}\) thoa man \(a_2^2=a_1.a_3;a_3^2=a_2.a_4;.......;a_{2010}^2=a_{2009}.a_{2011}\)
CMR:\(\frac{a_1^{2010}+a_2^{2010}+.....+a_{2010}^{2010}}{a_2^{2010}+a_3^{2010}+.....+a_{2011}^{2010}}=\frac{a_1}{a_{2011}}\)
ai hoc lop 7 kb voi minh nha
ai thấy bài này làm ơn giải bài này mk vs ha!
Chứng minh rằng :
\(2010^{100}+2010^{99}\) chia hết cho \(2011\)
\(9^7+8^{14}-27^5\)chia hết cho \(7\)
ai giai giup minh bai nay voi
Cho2011 so khac 0:\(a_1;a_2;.....;a_{2011}\) thoa man \(a_2^2=a_1.a_3;a_3^2=a_2.a_4;.......;a_{2010}^2=a_{2009}.a_{2011}\)
CMR:\(\frac{a_1^{2010}+a_2^{2010}+.....+a_{2010}^{2010}}{a_2^{2010}+a_3^{2010}+.....+a_{2011}^{2010}}=\frac{a_1}{a_{2011}}\)
giai giup minh voi minh tick cho
\(\frac{\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+....+\frac{1}{2011}}{\frac{2010}{1}+\frac{2009}{2}+\frac{2008}{3}+....+\frac{1}{2010}}\)
Cac ban giai giup minh voi minh minh kiem tr roi
giai co loi giai nha
minh kich dung cho
1.
a, (7.610.220.36-219.615) : (9.619.29-4.317.226)
b, (5.415.99-4.320.89) : (5.29.619-2.229.276)
2.Cho bieu thuc
A=2010+20102+20103+.....+20102009+20102010
Chung minh rang A chia het cho 11
chung minh rang :
a.\(7^6+7^5+7^4\) chia het cho 11
b.\(81^7-27^9-9^{13}\) chia het cho 45
cho tam giac ABC goi M,N lan luot la trung diem cua AB,AC chung minh rang MN song song voi BC va MN=1/2BC GIUP MINH VOI MAI MINH PHAI NOP BAI ROI AI GIAI MINH LIKE CHO NHA