Question

calcule
a)(-3)³×{-9+(3)³}÷(-3)²
b)(-7-4)×(-9+2)-(-72+2÷(-5-5)+(-9-4+6)
c)46÷(-23)+7-4×)+2)
d)8×(11)+200÷(+2)-12
e)(-6)²÷(-12)×(-3)³+(-25)÷(-4)²-5⁰
f)5²+7×(-2)³-{-20÷(-)²+6×(-1)⁴-3}+(-5)²÷(-5)

Obs: coloquem a conta pfv

Answer 1

A)27.00000

B)277.20000

D)176.00000

E)78.43750