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NÚMEROS CON SIGNO

Spanish 14 Public

SUMA Y RESTA DE ENTEROS

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+ 6-18=

-12

15

-10+7=

-3

15

25-20=

5

15

-8+14=

6

15

11+7=

18

15

-7-7=

-14

15

+9-10=

-1

15

15-17=

-2

10

19-3 =

16

15

-2+8=

6

15

-16-12=

-28

15

15-7=

8

15

20-22=

-2

15

-9-9=

-18

15