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4 May, 13:08

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

1. 7 + (-9) = ?

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

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

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

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

(-14) - (+2) = ?

+1
Answers (1)
  1. 4 May, 13:11
    0
    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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Home » Mathematics » 1. Calculati! (Va rog ajutati-ma!) 1. 7 + (-9) = ? 2. (-8) + (+5) = ? 3. (+9) - (-3) = ? 4. (+12) - (-1) = ? 5. (-7) - (-5) = ? (-14) - (+2) = ?
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