Question

Determine o valor da expressoes numericas

Answer 1

a) ( 2/5 + 1/5) :( 1/4 + 2/4)
 3/5 : 3/4
12/15 simplificando por 3 = 4/5

b) ( 1/3 - 1/4) :(2/5 + 1/10)
1/12 : 5/10
10/60 simplificando por 10 = 1/6

c)( 2/7 x 1/4) :(3/4 - 1/5)
2/28 : 11/20
40/308 simplificando por 4 = 10/77

d)( 2 - 1/3) x (3/4 : 5/6)
5/3 x 15/24
75/72 simplificando por 3 = 25/ 24

Answer 2

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