Question

Qual o calculo da fração fração (3/4.1/2+2/5)+1/4 ?

Answer 1

Resposta:

(3/4.1/2+2/5)+1/4

(3/8+2/5)+1/4

(15+16/40)+1/4

(31/40)+1/4

31/40+1/4

124+40/160

164/160

82/80

41/40