Tim BCNN(a,b,c) biet a=9474372;b=40096920;c=51135438 (cach bam may tinh cam tay)
1 phep chia co SBC la155,so du la 12 tim thuong va SC giup minh voi
1 phep chia co thuong la 6 du la 3 tong cua SBC ,SCva SO DU LA 195 TINH SBC SC VA SO DU
Cho phep chia 31,684 : 8,9 , tim so du biet thuong lay den 1 chu so o phan thap phan
Tim thuong trong phep chia so huu ti am nho nhat viet boi ba chu so 1 cho so huu ti am lon nhat viet boi ba chu so1
tim so du cua phep chia 12^6:9
Dong du thuc
Bai 1:Tim so du Trong phep chia
32005+42005 cho 11 va13
Tim so du trong phep chia 30.3050-25.230 cho 35.
Giai cu the ra giup mk, mk se *** cho ^_^
a} Tinh M : N biet M = 1/11.13 + 1/13.15 + 1/15.17 +........+1/33.35 va M = 12/11.13.15 + 12/13.15.17 + 12/15.17.19 +.....+12/31.33.35
b} Cho S = 1 - 1/2 + 1/3 -1/4 +.......+ 1/2011 - 1/2012 + 1/2013 va P = 1/1007 + 1/1008 +.......+ 1/2012 + 1/2013 . Tinh [S - P - 1]
bang tren do ;oi may tinh ko xoa duoc mong cac ban thong cam