Question

Simplifique as expressões numéricas: a) (-2)2--2-1 b) 5-1 +5° - 3-1 c) 3. 10-2 + 5 ​

Answer 1

a) (-2)²-2-1 = 4-2-1 = 4-3 = 1

b) 5-1+5°-3-1 = 5-1+1-3-1 = 5-4 = 1

c) 3×10-2+5 = 30-2+5 = 35-2 = 33

❤️ Bom final de semana ❤️

15/10/21