Question

Por favor ayudenme
1. – {- [ (14÷7) × (32 ÷ 4)]}


2. – [(-8 × 3) + (- 21 – 12)]


3. – { [(8× 4) + (- 5)] ÷ [(- 11 × 2) + ( - 15)]}

Answer 1

1. - { - [ ( 14 ÷ 7 ) ( 32 ÷ 4 ) ] }

- ( - 64 ÷ 4 )

- ( - 16 )

16

2. - [ (-8 × 3) + ( - 21 – 12 ) ]

- ( - 24 - 21 - 12 )

- ( - 45 - 12 )

- ( - 57 )

57

3. - { [ ( 8 × 4 ) + ( - 5 ) ] ÷ [ ( - 11 × 2 ) + ( - 15) ] }

- ( 32 - 5 ) ÷ ( - 11 × 2 - 15 )

- 27 ÷ ( - 22 - 15 )

- 27 ÷ - 37

0.729730