P=\(\frac{\left(2002+1\right)\times14+1988+2001\times2002}{2002\times\left(1+503+504\right)}\)
\(=\frac{2002\times14+2002+2001\times2002}{2002\times1008}\)
\(=\frac{2002\times\left(14+1+2001\right)}{2002\times1008}=\frac{2016}{1008}=2\)
P=\(\frac{\left(2002+1\right)\times14+1988+2001\times2002}{2002\times\left(1+503+504\right)}\)
\(=\frac{2002\times14+2002+2001\times2002}{2002\times1008}\)
\(=\frac{2002\times\left(14+1+2001\right)}{2002\times1008}=\frac{2016}{1008}=2\)
Tính nhanh :
a) 2003 x 14 + 1988 + 2001 + 2002
2002 + 2002 x 503 + 504 x 2002
b) 1/4 + 1/8 + 1/16 + 1/32 + 1/64 + 1/128.
Bài này làm thế nào vậy mọi người
A/E= 2003 x 14 + 1988 + 2001 + 2002 phần
2002 + 2002 x 503 + 504 + 2002
(2003*14+1988+2001*2002)/(2002+2002*503+504*2002)
tính nhanh
2003 x 14 + 1998 + 2001 x 2002
2002 + 2002 x + 503 + 504 x 2002
1 . Tính 2003 x 14 + 1998 + 2001 x 2002 phần 2002 + 2002 x 503 + 504 x 2002
2003 x 14 + 1988 + 2001 x 2002
2002 + 2002 x 503 +504 x 2002
2003×14+1998+2001×2002 / 2002+2002×503+ 504×2003
Viet ro loi giai ra nhe! Ai nhanh mk tk cho!
Tinh nhanh
2003×14+1998+2001×2002 / 2002+2002×503+504×2003
Viet ro loi giai nhe! Ai nhanh mk tk cho!
Tính nhanh:
a.1995*1994-1
______________
1993*1995+1994
b.2004*2005+2006*6-6
___________________
2005*197+4*2005
c.2003*14+1998+2001*2002
________________________
2002+2002*503+504*2002