Question

ALGUÉM SABE ME AJUDAR ???
1-caucule.
a)24,7+5,3-1,2-0,72
b)137,22+0,007+15,1-24,321
c)76,36+0,477+12,8
d)70-15,85-0,36
ME AJUDEM POR FAVOR GNTTT​

Answer 1

a.

$24,7+5,3-1,2-0,72 = \\ 30.0 - 1.92 = \\ \boxed{28.08}$

b.

$137,22+0,007+15,1-24,321 = \\ 137.227 + 15.1 - 24.321 = \\ 152.327 - 24.321 = \\ \boxed{128.006}$

c.

$76,36+0,477+12,8 = \\ 76.837 + 12.8 = \\ \boxed{89.637}$

d.

$70-15,85-0,36 = \\ 54.15 -0. 36 = \\ \boxed{53.79}$