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Alexsuta
Alexsuta Alexsuta
  • 08-05-2016
  • Mathematics
Answered

  1. Calculati! ( Va rog ajutati-ma! )
  2. 7+ (-9) = ?

2.(-8) + (+5)= ?

3.(+9) - (-3) = ?

4.(+12) - (-1) = ?

  1. (-7) - (-5) = ?

(-14) - (+2) = ?

Verified Answer :

sulikjon
sulikjon sulikjon
  • 08-05-2016
  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
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