Question

me ajudem :
efetue as expressoes abaixo:

a) (50-30): (4-2+3).3 =
b) 60+{40+8.[25+(4+6)].3}+8=
c) (50-10.2):(10:2-3)+15=
d) (40-24):4+(10+5)=

#me ajudem!!!

Answer 1

a) (20) : (5).3
     20: 15
     1,33
b) 60 + {40+8.[25+(10)].3}+8
    60+{40+8.[35].3}+8
    60+[40+280.3}+8
    60+[40+840}+8
    60+880+8
     948
c) (50 - 20) : (5-3) + 15
    30:2+15
    15+15
     30
d) (16):4+(10+5)
    4+15
     19