Առաջադրանքներ

-1 + -9 = -10
7 + -3 = +4
-10 + 8 = -2
12 + -21 = -9
14 + -13 = +1
-7 + 0 = -7
0 + 8 = 8
1 + -4 = -3

10 + 2 – 7 = 5
-11 + 4 + 0 = -7
-3 – 6 – 10 = -19
-16 + 8 – 14 = -22
-20 + 0 + 19 = -1
15 + 20 – 25 = 10

616. -3 – 4 = -7 – 11 = -18
8 – 18 = -10 + 7 = -7
8 – 5 = 3 – 17 = -14

618. -27 – 13 = -40 + 27 = -13

620. ա) 79
բ) -10
գ) 118
դ) 148

622. առաջին տարբերակը՝ ոչ, երկրորդը՝ այո

626.
ա) 27
բ) 60
գ) 0
դ) 0
ե) -4
զ) 4

633. ա) 2000
բ) 2000
գ) 265
դ) 1850

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