\(\frac{125125}{370370}+\frac{245}{370}=\frac{25}{74}+\frac{49}{74}\)
\(=1\)
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\(\frac{125125}{370370}+\frac{245}{370}=\frac{25}{74}+\frac{49}{74}\)
\(=1\)
125125/370370+245/370=
( 1+ 3+ 5 + ... + 2005 ) * ( 125125*127- 127127 * 125 )
20/84 - 4/125 + 3737/ 2121 - 121121/125125
so sánh
123/124 và 124124/125125
( 1+3+5+7+......+65+67) x (125x1001 -125125) +10
(1+3+5+7...+2011)*(125125+127-127127*125)
(1 + 3 + 5 + .... +2007 + 2009 + 2011 ) x (125125 x 127 - 127127 x 125 )
tính=cách hợp lí:
(1+3+5+7+...+2011+2013)×(125125×127-127127)
( 1 + 3 + 5 + 7+...+2003 + 2005 ) x ( 125125 x 127 - 127127 x 125 ) = ?