YumaazTreeService - Comparte conocimiento, aprende juntos Logo

In Matemáticas / Primaria | 2025-08-21

[-6+(4+2)-(-9)]-[(-4)-(+7-5)+(-12)]+7-15 =​

Asked by araujobernallj

Answer (2)

Respuesta:19Explicación paso a paso:[ -6 + (4 + 2) - (-9) ] - [ ( -4 ) - (+7 - 5) + (-12) ] + 7 - 15=  [ -6 + 6 + 9 ] - [ -4  - (+2) - 12) ] + 7 - 15= 9 - [ -4 - 2 - 12 ] + 7 - 15= 9 - [ -18 ] + 7 - 15= 9 + 18 + 7 - 15= 34 - 15 = 19

Answered by SinTantaTeoria | 2025-08-21

[-6 + (4 + 2) - (-9)] - [(-4) - (7 - 5) + (-12)] + 7 - 15= [-6 + 6 - (-9)] - [(-4) - 2 + (-12)] + 7 - 15= [0 - (-9)] - [-6 + (-12)] + 7 - 15= 9 - (-18) + 7 - 15= 9 + 18 + 7 - 15= 27 + 7 - 15= 34 - 15= 19

Answered by mabelaguirre170 | 2025-08-21