Question

DAU COROANA!
Va rog mult ​

Answer 1

Răspuns:

a) 17/6-100/9:25/6=

17/6- 100/9×6/25=

17/6- 8/3= (a 2a fractie o amplifici cu 2)

17/6-16/6=1/6

b) 27/25:54/49+36/35:20/7=

27/25×49/54+36/35× 7/20=

1/25×49/2+9/5×1/5=

49/50+9/25= (a 2a fractie o amplifici cu 2)

49/50+18/50=67/50

c) 49/60:7/4-15/16×8/25=

49/60×4/7-3/2×1/5=

7/15×1/1-3/10=

7/15-3/10= (prima fractie o amplifici 2 si a 2a cu 3)

14/30-9/30=5/30=1/6 (simplificat)