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1.5: Еквівалентні дроби
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ddot 3}\\ dfrac {\ not {2}\ cdot\ not {3}\ cdot\ not {3}\ cdot 3}\ quad 2\ текст {і} 3 {є загальними факторами.}\\ \ drac {16} {20} &=\ dfrac {2\ dot 2\ dot 2\ dot 2} {2\ dot 2\ dot 5}\\ drac {\ not {...ddot 3}\\ dfrac {\ not {2}\ cdot\ not {3}\ cdot\ not {3}\ cdot 3}\ quad 2\ текст {і} 3 {є загальними факторами.}\\ \ drac {16} {20} &=\ dfrac {2\ dot 2\ dot 2\ dot 2} {2\ dot 2\ dot 5}\\ drac {\ not {2}\ dot\ not {2}\ dot 2\ dot 2} {\ not {2}\ cdot 5}\ quad 2\ text {є єдиним загальним фактором.}\\ drac {\ not {2}\ dot 4\ cdot\ not {7}} {\ not {2}\ cdot 5\ cdot\ not {7}\ text {і} 7\ text {є загальними факторами.}\\ \ dfrac {8} {15} =\ dfrac {2\ cdot 2\ cdot 2} {3\ cdot 5}
4.2: Еквівалентні дроби
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У цьому розділі ми маємо справу з дробами, числами або виразами виду a/b.