Tìm kiếm
Bí mật
(2x-5)$^{2000}$+(3y+4)$^{2002}$
02)Chứng minh Chia hết
a)$3^{n+2}$-$2^{n+2}$+$3^{n}$-$2^{n}$
10b)$3^{n+3$+$3^{n+1}$$2^{n+3}$+$2^{n+2}$
6
phattai
Lũy thừa
14-09-2007 - 20:49
1)tìm x,y:
(2x-5)$^{2000}$+(3y+4)$^{2002}$ 0
2)Chứng minh Chia hết
a)$3^{n+2}$-$2^{n+2}$+$3^{n}$-$2^{n}$ 10
b)$3^{n+3$+$3^{n+1}$$2^{n+3}$+$2^{n+2}$ 6
(2x-5)$^{2000}$+(3y+4)$^{2002}$
02)Chứng minh Chia hết
a)$3^{n+2}$-$2^{n+2}$+$3^{n}$-$2^{n}$
10b)$3^{n+3$+$3^{n+1}$$2^{n+3}$+$2^{n+2}$
6
Cần làm gấp 4 bài CM về Chia Hết
08-09-2007 - 19:20
CMR:
a) 7^{6}+7^{5}-7^{4}
11
b)10^{9}+10^{8}+10^{7}
222
c)81^{7}-27^{9}-9^{13} 45
d)25^{54}.54^{24}.2^{10} 72
a) 7^{6}+7^{5}-7^{4}
11b)10^{9}+10^{8}+10^{7}
222c)81^{7}-27^{9}-9^{13}
45d)25^{54}.54^{24}.2^{10}
72
