Question

Calculati : (3/5 + 2/15 - 1/10) : 19/10
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Am pus 3/5 in loc de 3 pe 5
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Answer 1

6) 3/5=18/30 2)2/15=4/30 3)1/10=3/30 3)19/10=57/30 (18/30+4/30-3/30):57/30 19/30:57/30=0(3)/30 Sper ca n-am greșit si noroc

Answer 2

$\frac{3}{5} + \frac{2}{15}- \frac{1}{10} ) : \frac{19}{10}$

aducem la acelasi numitor 30

$( \frac{18}{30} + \frac{4}{30} - \frac{3}{30} ): \frac{19}{10}$

$\frac{19}{30} X \frac{10}{19} = \frac{10}{30} = \frac{1}{3}$