Question

1)Resolva as expressões númericas a seguir:
a)56/7+64/8=
b)6+4X6=
c)390-(18+7x9)
d)(6x7-3x8/12)/10
e)13-45+192/4+11
f)15+9x(34-13+22+3)
g)182-5x(3+8)-(10x6/12)
h)(4x72-34)/2

Answer 1

a)448/56+448/56=896/56
b)6+24=30
c)390-(18+63)=
390-81=309
d)(42-24/12)/10=
(42-2)/10=
40/10=4
e)13-45+48+11=27
f)15+306x-117x+198x+27x=15+648x
648x=15
x=43,2
g)182-15x+40x-52x/60x
182-7x/60x