Câu này khó quá ! Giúp mik nha~!!
B=(6/8+1)(6/18+1)(6/30+1)...(6/10700+1)
Mik tick cho ko cần lo đâu!!!~~~~~~~
B=(6/8+1)(6/18+1)(6/30)...(6/10700+1)
B=(6/8+1)(6/18+1)(6/30+1)...(6/10700+1)
(6/8+1)(6/18+1)(6/30+1)...(6/10700+1)=?
Tính (6/8+1)(6/18+1)(6/30+1)...(6/10700+1)
Cho:
D=(6/8+1)*(6/18+1)*(6/30+1)*...*(6/10700+1)
Tính D
Tính :
\(C=\left(\frac{6}{8}+1\right).\left(\frac{6}{18}+1\right).\left(\frac{6}{30}+1\right).....\left(\frac{6}{10700}+1\right)\)
Giúp mình với mình cần gấp
tính A biêt
A=(6/8+1)*(6/18+1)*(6/30+1)*...*(6/10700+1)
6/x-5+2/x-8=18/(x-5)(8-x)-1 giúp mik giải phương trình này dùng mik tick cho
Tính nhanh:
A=(\(\frac{6}{8}\)+1)(\(\frac{6}{18}\)+1)(\(\frac{6}{30}\)+1)....(\(\frac{6}{10700}\)+1)
Giải nhanh giúp mình bài này nhé!!
\(\text{ta có:}\frac{6}{a\left(a+7\right)}+1=\frac{\left(a+1\right)\left(a+6\right)}{a\left(a+7\right)}\text{ do đó:}A=\frac{2.7}{1.8}.\frac{3.8}{2.9}.....\frac{101.106}{100.107}\)
\(=\frac{2.3...101.\left(7.8....106\right)}{1....101.\left(8.9.....107\right)}=\frac{7}{107}\)