ա) x/3+y/3 = x+y/3 բ) a/7- b/7 = a-b/7 2x/5 — 3y/5 = 2x-3y/5 5m/4 + 3n/4 = 5m+3n/4 x/4 + 3x/4 = x+3x/4 = 4x/4 = x 7a/8 — 3a/8 = 7a-3a/8 = 4a/8 = a/2 172. x-1/2 + 1/2 = x-1+1/2 = x/2 2a/3 — 1-a/3 = 2a-1+a/3 = 3a-1/3 a+b/5 + a/5 […]

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