Question

Qual o valor da expressoes :
a)2\3 + 1\4 + (1\2 + 2 \3 )
b)3 + 2\5 - 1\5
C ) (2\3 - 1\4 ) + 2\3
d) (1\3 + 2\5 ) + 2\5 + 5) urgente pfppfpf

Answer 1

a) 8+3/12 + 3+4/6 = 11/12 + 7/6
                                 11+14/12 = 25/12 ou 2,0833

b) 15+2-1/5 = 16/5 ou 3,2

c) 8-3/ 12 + 2/3 = 5/12 + 2/3
                           5 + 8/12 = 13/12 ou1,0833

d) 5 + 6/15 + 2+25/5 = 11/15 + 27/5
                                     11+81/15 = 92/15 ou 6,133