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(-9)+(-34)

(+14)-(+17)

(-5)-(-26)

(-15)+(+11)

(-16)-(+5)

(-6)·(-6)

(+6)·(+7)

(+48):(-8)

(-24):(-12)

(+8)·(-2)

+36

-21

-16

-43

-3

-6

-4

+42

+2

+21