Question

resolva as expressões numéricas obedecendo a ordem
a) 5+4×3=
b)30:3-4=
c)14:2+7×2-2+5=
d)240:3+5-19=
e)15+3×7-2×3+8:2=
f)40:4+2×3-5+11=
g)9+10×3-8:2+6:3-2=​

Answer 1

Resposta:

a) 5+4×3=

$5 + 12 \\ = 17$

b)30:3-4=

$10 - 4 \\ = 6$

c)14:2+7×2-2+5=

$7 + 14 - 2 + 5 \\ 21 + 3 \\ = 24$

d)240:3+5-19=

$80 + 5 - 19 \\ 80 - 14 \\ = 66$

e)15+3×7-2×3+8:2=

$15 + 21 - 6 + 4 \\ 15 + 15 + 4 \\ = 34$

f)40:4+2×3-5+11=

$10 + 6 - 5 + 11 \\ 13 + 6 \\ = 19$

g)9+10×3-8:2+6:3-2=

$9 + 30 - 4 + 2 - 2 \\ 39 - 2 - 2 \\ 39 - 4 \\ = 35$