Respostas

2013-06-05T20:55:12-03:00

1/4+1/6= 

mmc 4 e 6 = 12

3+2/12

5/12 - 12/12

7/12

faltam 7/12 avos para vc terminar a leitura

 

1 5 1
2013-06-05T20:55:48-03:00

\frac{1}{6}+\frac{1}{4}=\frac{6+4}{24}=\frac{10}{24}=\frac{5}{12}\\\\\frac{12}{12}-\frac{5}{12}=\frac{7}{12}

neste caso faltam ler \frac{7}{12} do livro

2 5 2