Question

Ayuda Porfa...

1. [ ( 19 – 20 ) + ( 14 – 15 ) ] – [ ( - 7 – 13) + 12 ]

2. [ ( - 13 . 14 ) .( 20 ÷ 10 ) ]

Answer 1

Respuesta: 1. [ ( 19 – 20 ) + ( 14 – 15 ) ] – [ ( - 7 – 13) + 12 ]=

[ ( -1 ) + ( – 1 ) ] – [ ( -20) + 12 ]

– 2 +8

-2 +8

+6

2. [ ( - 13 . 14 ) .( 20 ÷ 10 ) ]

[ - 182 ×2 ]

-364

Explicación paso a paso: