Trzeba wykonać działania i dopaasować wyniki.1. (5-1 i 1/2) : (2 i 3/8-1,75)=?2.3/34*0,8+2 i 2/3*0,3.... Question from @rikki01

November 2018 2 65 Report

Trzeba wykonać działania i dopaasować wyniki.
1. (5-1 i 1/2) : (2 i 3/8-1,75)=?
2.3/34*0,8+2 i 2/3*0,3=?

mandark17 $(5-2 \frac{1}{2}):(2 \frac{3}{8}-1,75)= (5- \frac{5}{2}):( \frac{19}{8}- \frac{7}{4})= \frac{5}{2}:( \frac{19}{8}- \frac{14}{8}) = \frac{5}{2}: \frac{5}{8}=\frac{5}{2}* \frac{8}{5}=4$

$\frac{3}{34}*0,8+2 \frac{2}{3} *0,3= \frac{3}{34}* \frac{4}{5}+ \frac{8}{3}* \frac{3}{10}= \frac{6}{85}+ \frac{4}{5}= \frac{74}{85}$

Liczę na najlepsze :)

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Martolada (5 - 1 1/2) : (2 3/8 - 1,75) = (3 1/2) : (2 3/8 - 1 6/8) = 3 1/2 : 5/8 = 7/2 * 8/5 = 28/5 = 5 3/5

3 3/4 * 8/10 + 2 2/3 * 3/10 = 15/4 * 4/5 + 8/3 * 3/10 = 3 + 4/5 = 3 4/5

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