Calcule as expressões
A)4²-2⁰+5¹:
B)10²+10³-10⁰:
C)7²+2³+(15-10)²


Resposta :

a) 4²-2⁰+5¹ = 16-1+5 = 20

b) 10²+10³-10⁰ = 100+1000-1 = 1099

c) 7²+2³+(15-10)² = 49+8+(5)² = 57+25 = 82