Question

a)1/2.4/5= b)2/3+7/3= c)5/6+1/2= d)9/5-3/4= e)3/5.8/5= f)2/3.3/5.5/7=​

Answer 1

Resposta:

a) 1/2 . 4/5 = 1.4 / 2.5 = 4/10 = 2/5

b) 2/3 + 7/3 = 9/3

c) 5/6 + 1/2 = (5.2) + (6.1) / 6 . 2 = 10 + 6 / 12 = 16/12 = 4/3

d) 9/5 - 3/4 = (9.4) + (5.3) / 5 . 4 = 36 + 15 / 20 = 51/20

e) 3/5 . 8/5 = 3.8 / 5.5 = 24/25

f) 2/3 . 3/5 . 5/7 = 2.3.5 / 3.5.7 = 30/105 = 6/21  = 2/7