1. (-8) + (-12) =

Jawab:

1. -20

2. 3

3. 15

Penjelasan dengan langkah-langkah:

1. (-8) + (-12)

= -8 -12

= -20

2. 20 + (-17)

= 20 – 17

= 3

3. (-50) + 35

= -50 + 35

= 15

Semoga membantu..