Question

Efectuati scaderile
4 intregi 2/3-1intreg 1/3
4intregi 5/9-2/9
7 intregi 11/15-2intregi 1/15
Rapiddddddd​

Answer 1

Răspuns:

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Answer 2

Răspuns: Mai jos ai rezolvarea

Explicație pas cu pas:

Buna!

$\large\bf \circledast ~~ 4\dfrac{2}{3} -1\dfrac{1}{3}= \dfrac{4\cdot 3+2}{3} -\dfrac{1\cdot 3+1}{3}= \dfrac{14}{3} -\dfrac{4}{3}=\dfrac{14-4}{3} =\boxed{\large\bf \dfrac{10}{3}~sau~3\dfrac{1}{3}}$

$\large\bf \circledast ~~ 4\dfrac{5}{9} -\dfrac{2}{9}= \dfrac{4\cdot 9+5}{3} -\dfrac{2}{9}= \dfrac{41}{9} -\dfrac{2}{9}=\dfrac{39}{9} =\dfrac{\not39}{\not9}=\boxed{\large\bf \dfrac{13}{3}~sau~4\dfrac{1}{3}}$

$\large\bf \circledast ~~ 7\dfrac{11}{15} -2\dfrac{1}{15}= \dfrac{7 \cdot 15+11}{15} -\dfrac{2 \cdot 15+1}{15}= \dfrac{116-31}{15} =\dfrac{85}{15} =\boxed{\large \bf \dfrac{17}{3}~sau~5\dfrac{2}{3}}$

PS: Daca esti pe telefon, te rog sa glisezi spre dreapta pentru a vedea rezolvarea completa

==pav38==