Question

a-(2/3 + 1/3) ÷ (1/4 + 2/4)
b-2/5 × [1 × 2/3 × (3/5 - 1/3 )]

heeeelp pfvr
ninguém vai me responder é?

Answer 1

Explicação passo-a-passo:

a) (2/3 + 1/3) ÷ (1/4 + 2/4) =>

( 6 + 3 / 9 ) ÷ ( 4 + 8 / 16 ) =>

( 9/9 ) ÷ ( 12 /16 )=>

1/1 ÷ 3/4

1/1 × 4/3

4/3

b) 2/5 × [1 × 2/3 × (3/5 - 1/3 )]

2/5 × [1 × 2/3 × ( 9 - 5 / 15 ) ]

2/5 × [1 × 2/3 × 4 / 15 ]

2/5 × 8 /45

16/ 225