Առաջադրանքներ 2

597. այո
598. a x b = |c| = +c

600. Օրինակ՝ ա) -10 – (-5) = -5 -5 – (-5) = 0
բ) -10 – (-5) = -5 3 – (-5) = 8
գ) -10 – (-5)= -5 -10 – (-3) = -3
դ) -10 – (-5)= -5 -13 – (-5) = -8

601. 8, 2, -1, -3, 11, 0, 5
3, 9, 4, -11, 7, 6, 0
24, 18, 4, 33, 77, 0, 0

ա) -1
բ) -12
գ) 9

-7 x +5 = -35 |-35| = 35 |-7| = 7 |+5| = 5
7×5=35

Օրինակ՝ -6 + (-8) = -14 |-14| = 14 – դրական թիվ

Լուծում՝ 60×20=1200 1200:100=12 60-12=48
Պատ.՝ 48 մանրակ

ա) s = 15.000.000
բ) s = 20.000.000

609. Պատ.՝ 8 ժամ

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