Question

resolva as espressoes:

a)80:(2:4+3-11)+10·5

b)6-(5:5-4·3)

Answer 1

a) 80:(0,5+3-11)+2
    80: (3,5-11)+2
    80: (-7,5+2)
    80 : (-5,5)
     - 14,54...

b) 6-(5:5-4.3)
    6-(1-12)
    6-(-11)
     6+11 = +17