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phpady
5

[latex] 6 \frac{3}{19} - 5 \frac{9}{38};[/latex] [latex] 11 \frac{5}{6} - 10 \frac{17}{18} .[/latex]

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(2) Răspunsuri
danyela31

La prima ecuatie amplifica prima fractie cu 2 la a doua ecuatie amplifici prima fractie cu 3 spor la calcule

Magdalazanu

6 intreg 3/19= (6x19+3)/19=117/19 5 intreg 9/38=(5x38+9)/38=199/38 117/19-199/38=(117x2-199)/38=35/38 11 intreg 5/6=(11x6+5)/6=71/6 10 intreg 17/18=(10x18+17)/18=197/18 71/6-197/18=(71x3-197)/18=16/18=8/9

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