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Salut am nevoie de putin ajutor la:
1) cum rezolvi 6 [tex] \frac{9}{16} [/tex] 
2) cum rezolvi: 6 [tex] \frac{9}{16} [/tex] - 2 [tex] \frac{1}{2} [/tex] x 1 [tex] \frac{9}{14} [/tex]
(x fiind inmultire)


Răspuns :

1.
6 intregi si 9/16=(6×16+9)//16=(96+9)/16=105/16

2.
 2 1/2=(2×2+1) /2=5/2
1 9/14=(1×14+9) /14=23/14
 6 9/16- 2 1/2 × 1 9/14=105/16+5/2×23/14 =105/16-115/28=
aducem la acelasi numitor care este  112
=(105×7-115×4)/112=(735-460)/112=275/112