Question

Calcule a soma entre o dobro de 3/10 com o triplo de 16/9

Answer 1

Resposta:

2(3) + 3 (16) = 6 + 48 =

--- ---- ---- ----

5 9 5 9

m.m.c (5,9)

5,9|3

5,3|3

5,1 |5

1,1 m.m.c= 3.3.5=45

54+240 =

-------------

45

294

------ (÷3) = 98

45 -----

15