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Mathematics, 03.03.2021 20:20 htxalyssa

сторони рівнобедриного трикутника ABC продовжено на рівні відрізки AK, BL і CM. Доведіть, що трикутник KLM-рівносторонній​

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сторони рівнобедриного трикутника ABC продовжено на рівні відрізки AK, BL і CM. Доведіть, що трикутн...
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