Completar las sumas para formar un entero. 1/5+2/10+ / +4/10=1 y 3/6+ / +4/12=1.... Question from @eliza182

October 2018 2 21 Report

Completar las sumas para formar un entero. 1/5+2/10+ / +4/10=1 y 3/6+ / +4/12=1

aranfranco2016 1/5+2/10+3/10++4/10= 10/10 = 1

3/6+2/12+4/12=12/12=1

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lizzytracker $\frac{1}{5} + \frac{2}{10} + x + \frac{4}{10} = 1$
$\frac{1(2)}{5(2)} + \frac{2}{10} + x \frac{4}{10} = 1
$
$\frac{2}{10} + \frac{2}{10} + x + \frac{4}{10} = 1
$
$\frac{2 + 2 + 4}{10} + x = 1$
$\frac{8}{10} + x = 1 
$
$x = 1 - \frac{8}{10}$
$x = \frac{1(10)}{10} - \frac{8}{10}$
$x = \frac{10-8}{10}$
$x = \frac{2}{10}$
$x = \frac{1}{5}$

3/6+ / +4/12=1
$\frac{3}{6} + x + \frac{4}{12} = 1
$
$\frac{1}{2} + x + \frac{1}{3} = 1$
$\frac{1(3)}{2(3)} + x + \frac{1(2)}{3(2)} = 1$
$\frac{3}{6}+ x + \frac{2}{6} = 1
$
$\frac{3+2}{6} + x = 1
$
$\frac{5}{6} + x = 1$
$x = 1 - \frac{5}{6}$
$x = \frac{1(6)}{6} - \frac{5}{6}$
$x = \frac{1}{6}$

0 votes Thanks 1

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