Question

resolva as expressoes numericas

a)50 - {40 - 3.[ 5 -( 10 - 7 )] }



b) 25 + [ 7 + ( 8 - 4/2 ) ]



c) 14/2 + [ 13 - ( 4.2 + 1 ) ]

Answer 1

a)50-{40-3.(10-7)]}
50-{40-3.3}
50-{40-9}
50-31
19