Resposta :
a) (5) + (30) = 35
b) (4) + (-12) = 4 - 12 = - 8
c) (-16) + (7) = - 16 + 7 = - 9
d) (-8) + (-10) = - 8 - 10 = - 18
Boa tarde!
(a)(5)+(30) =
5+20 =
35
(b)(4)+(- 12) =
4 -12 =
-8
(c)(- 16 )+( 7 )
-16 +7
-11
(d)(- 8 )+(- 10 )
-8 -10
-18
a) (5) + (30) = 35
b) (4) + (-12) = 4 - 12 = - 8
c) (-16) + (7) = - 16 + 7 = - 9
d) (-8) + (-10) = - 8 - 10 = - 18
(a)(5)+(30) =
5+20 =
35
(b)(4)+(- 12) =
4 -12 =
-8
(c)(- 16 )+( 7 )
-16 +7
-11
(d)(- 8 )+(- 10 )
-8 -10
-18