Question

MA AJUTA-TI VA ROG !! DAU COROANA !! VA ROOG E URGENT!

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Answer 1

Răspuns:

a) = 35/4-25/4=(10/4)⁽²=5/2

b) a+6/9=20/9=>a=20/9-6/9=>a=14/9

b-26/3=14/3=>b=14/3+26/3=>b=40/3

80/10-c=26/10=>c=80/10-26/10=>c=54/10

30/5+d=98/5=>d=98/5-30/5=>d=68/5

c) 50% din 10000=50·10000:100=5000

75% din 4500=75·4500:100=3375