Resuelve las siguientes los siguientes ejercicios a)(+3)+(+21) + (-15) =
b)(-5) + (+7)+(- 12) =
c)(+14) + (-9) + (-7)=
d)+13-5 + 4 -11 -6 -11 - 4 + 45
=
e)+9-5 + 11 - 12 + 14 =

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Ответ:

madisonbrookecallis

23.04.2021

Mathematics

2:7 ( $\frac{12}{42} = \frac{2}{7}$ )
12:42

42 + 21 = 63 animals
63/7 = 9
9 x 2 = 18

The answer is 18 keepers

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Resuelve las siguientes los siguientes ejercicios a)(+3)+(+21) + (-15) =b)(-5) + (+7)+(- 12) =c)(+14) + (-9) + (-7)=d)+13-5 + 4 -11 -6 -11 - 4 + 45=e)+9-5 + 11 - 12 + 14 =​por favor