math (operation with integers)

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17 Terms

1
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(+) x (+) = ?

+

2
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(-) x (-) = ?

+

3
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(-) x (+) = ?

-

4
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(+) x (-) = ?

-

5
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(+) / (+) = ?

+

6
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(-) / (-) = ?

=

7
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(-) / (+) = ?

-

8
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(+) / (-)

-

9
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10+5=?

15

10
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15+(-5) = ?

10

11
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5+(-15) = ?

-10

12
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-15 + -5

-20

13
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30-10 = ?

20

14
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30 - (-10) = ?

40

15
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-30 - (-10) = ?

-20

16
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-10 - (-30) = ?

20

17
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-10 - 30 = ?

-40