2003x14+1998+2001x2002/2002+2002x503+504x2003 =2003x14+1998+2001x1+2002x503+504x2003 =2003x14+1998+2001+2002x503+504x2003 =28042+1998+2001+1007006+1009512 =(28042+1009512+1007006)+1998+2001 =2044560+1998+2001=2048559 TK MIk nha bn! mk tra loi dau tien ma ! Giu loi hua nhe!
2003 x 14 + 1988 + 2001 x 2002
=28042 + 1988 + 4006002
=4036032
2002 + 2002 x 503 +504 x 2002
=2002 x 1 + 2002 x 503 + 504 x 2002
=2002 x (1 + 503 + 504)
=2002 x 908
=1817816
2003×14+1998+2001×2002 / 2002+2002×503+ 504×2003
Viet ro loi giai ra nhe! Ai nhanh mk tk cho!
tính nhanh
2003 x 14 + 1998 + 2001 x 2002
2002 + 2002 x + 503 + 504 x 2002
tính nhanh
2003 x 14 + 1988 + 2001 x 2002
2002 + 2002 x 503 + 504 x 2002
(2003*14+1988+2001*2002)/(2002+2002*503+504*2002)
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
1 . Tính 2003 x 14 + 1998 + 2001 x 2002 phần 2002 + 2002 x 503 + 504 x 2002
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
tinh nhanh 2001+2002+1981+2003*21/2003*2002-2001*2002
