Question

calcule e simplifique as expressões numéricas a )1/2•(5/6-1/2)(1/4+1/3)•1/2.b)[1-(3/4+1/5)]:3/40​​

Answer 1

Resposta:

a ) 1/2 × 1/3 × 7/12 = 7 / 72

b ) 1 - 19/20 × 40/3

1 - 19 × 2/3

1 - 38/3 =

- 35/3

Espero ter ajudado !