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16 tháng 3 2022
Ta có:
\(min\left\{\left(2007+2005\right):\left(x-4\right)\right\}\)
\(=min\left\{4012:\left(x-4\right)\right\}\)
\(\Rightarrow min\left\{x-4\left(\ne0\right)\right\}\)
\(\Rightarrow x=3\)
Y
17
LD
5
TN
29 tháng 6 2020
\(\frac{2005x2004-1}{2003x2005+2004}\)=\(\frac{4018019}{4018019}\)= 1
D
2
MN
7 tháng 4 2019
( 1 + 3 + 5 + 7 +... + 2003 + 2005 ) x ( 125125 x 127 - 127127 x 125 )
= ( 1 + 3 + 5 + 7 + ... + 2003 + 2005 ) x ( 125 x 1001 x 127 - 127 x 1001 x 125 )
= ( 1 + 3 + 5 + 7 + ... + 2003 + 2005 ) x 0
= 0
~ Thiên Mã ~
H
7 tháng 4 2019
lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooolllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll
NT
Nguyễn Thị Thương Hoài
Giáo viên
VIP
24 tháng 7 2023
Tính nhanh: 35 \(\times\) 119 \(\times\) 0,25 \(\times\) 100 \(\times\) ( 3: 0,4 - 7,5)
= 35 \(\times\) 119 \(\times\) 0,25 \(\times\) 100 \(\times\) ( 7,5 - 7,5)
= 35 \(\times\) 119 \(\times\) 0,25 \(\times\) 100 \(\times\) 0
= 0
9 tháng 4 2018
\(\frac{2005.2004-1}{2003.2005+2004}\)
= \(\frac{2005.2003+\left(2005-1\right)}{2003.2005+2004}\)
= \(\frac{2005.2003+2004}{2003.2005+2004}\)
= 1 ( Vì tử số bằng mẫu số. )
~~~
#Sunrise
4 013 008
4 013 008