18 x \(\dfrac{19191919}{21212121}\)+\(\dfrac{88888}{99999}\)
=18 x \(\dfrac{19}{21}\)+ \(\dfrac{8}{9}\)
=\(\dfrac{114}{7}\)+ \(\dfrac{8}{9}\)
= \(\dfrac{1082}{63}\)
18 x \(\dfrac{19191919}{21212121}\)+\(\dfrac{88888}{99999}\)
=18 x \(\dfrac{19}{21}\)+ \(\dfrac{8}{9}\)
=\(\dfrac{114}{7}\)+ \(\dfrac{8}{9}\)
= \(\dfrac{1082}{63}\)
18x19191919/21212121+88888/99999
18 x [19191919/21212121 + 88888/99999] = ?
18 x (19191919/21212121 + 88888/99999)=?
\(18\times\left(\frac{19191919}{21212121}+\frac{88888}{99999}\right)=?\)
tính nhanh :
18 x \(\left(\frac{19191919}{21212121}\ +\ \frac{88888}{99999}\ \right)\)
Tính nhanh:
a) 2006 x 2005 - 1 / 2004 x 2006 + 2005
b) 18 x ( 19191919 / 21212121 + 88888 / 99999 )
ai giúp mình với bài toán này với:
1, 2006 x 2005 - 1/2004 x 2006 + 2005 =
2,18 x (19191919/21212121 + 88888/99999) =
Tính nhanh :
\(18\)\(x\) ( \(\frac{19191919}{21212121}\)+ \(\frac{88888}{99999}\)) = ?
Giúp mình với !!! T_T
Tính nhanh :
18 x ( \(\frac{19191919}{21212121}\)+ \(\frac{88888}{99999}\)) =
Giúp mình với , mình đang cần gấp . T_T
Giải ra giúp mình luôn nha !!!