Question

resolva as expressões numéricas


a. 3/5+2/4-1/2=​

Answer 1

MMC

5; 4; 2 ÷ 2

5; 2; 1 ÷ 2

5; 1; 1 ÷ 5

1; 1; 1 = 5 × 2 × 2: 20

20÷5×3 = 12

20÷4×2 = 10

20÷2×(-1) = - 10

12 + 10 - 10 / 20 =

12/20 (÷4) = 12÷4 e 20÷4 =

3/5 (resposta)