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1. Calculati! ( Va rog ajutati-ma! )

1. 7+ (-9) = ?
2.(-8) + (+5)= ?
3.(+9) - (-3) = ?
4.(+12) - (-1) = ?
5. (-7) - (-5) = ?
(-14) - (+2) = ?

User Ugur
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1 Answer

4 votes
1. 7+ (-9) = 7-9=-2
2.(-8) + (+5)= -8+5= -(8-5)=-3
3.(+9) - (-3) = 9+3=12
4.(+12) - (-1) = 12+1=13
5. (-7) - (-5) = -7+5==(7-5)=-2
(-14) - (+2) = -14-2=-(14+2)=-16
User Lunatix
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