Question

calcule as expressoes
a 5+8x2:2
b 100:5x4-10
c -10.3+15:3
d 7-4.2.4
e 20.2.6:3

Answer 1

Olá,

Vamos lá,

a
=5+8x2:2
=5+ 4:2
=5+2
= 7

b
=100:5x4-10
=20 x 4 -10
= 80-10
=70

c
=-10.3+15:3
=-30 +5
= -25

d
=7-4.2.4
=7-2.4
=7-8
=-1

e
=20.2.6:3
=10.6:3
=60:3
=20