Question

(a, b ) [a,b] =a*b


ofer coroana urgenttt!
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Answer 1

Răspuns:

(a,b) × [a,b] = a × b = 120

Explicație pas cu pas:

a = 12 = 2² × 3

b = 10 = 2 × 5

_______

(a, b) = 2

[a, b] = 2² × 3 × 5 = 4 × 3 × 5 = 12 × 5 = 60

(a, b) × [a, b] = a × b <=> 2 × 60 = 12 × 10 <=> 120 = 120

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