ХИТРАЯ ТРАПЕЦИЯ - КРАСИВАЯ ИДЕЯ!
ABCD - трапеция, AB=3,BC=2,CD=4,AD=7. M,K - середины оснований. Найти MK.
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1 year ago 00:15:38 1
1 year ago 00:13:23 1
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9 years ago 00:09:16 5
