Selesaikan operasi hitung campuran di atas!
Jawab:
A. 7
B. 2
C. -27
D. 21
E. -14
Penjelasan dengan langkah-langkah:
A. 5 + (-9)-(-11)
=-4 – (-11)
=-4 + 11
= 7
B. -8 – (-4) + 6
=-8 + 4 + 6
=-4 + 6
=2
C. -9 + (-5) – 13
= -9 – 5 – 13
= -14 – 13
= -27
D. 12 + 5 – (-4)
= 17 – (-4)
= 17 + 4
= 21
E. (-12) – (-18) + (-20)
=-12 + 18 +(-20)
=6 + (-20)
=-14
SEMOGA MEMBANTU 🙂