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GreenMint13
@GreenMint13
August 2022
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СРОЧНО НУЖЕН ОТВЕТ
Сократите дроби: 14/21, 6/9 88/99 75/120
Сократите: а) 8×11/33×4 б) 18×25/75×12 в) 6×7+7×5/49 г) 26×5/25×13
Приведите к общему знаменателю:
а) 3/4 и 4/7 б) 2/9 и 5/18
И последнее по фото..
Спасибо заранее.
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GlebGor1998
Verified answer
14 / 21 = 2/3 ; 6/9 = 2 / 3 ; 88 / 99 = 8 /9 ; 75 / 120 = 5 / 8
а) 8 * 11 / 33 * 4 = 32 * 11 / 33 = 32/3
б) 18 * 25 /75 * 12 = 18 * 1 /3 * 12 = 6 * 12 = 72
в) 6 * 7 + 7 * 5/49 = 7*( 6 + 5/49) = 7 * 6 5/49 = 7 * 299/49 = 299 / 7 = 42 5/7
г) 26 * 5/25 *13 = 26 * 1/5 * 13 = 338 * 1/5 = 338 / 5 = 67 3/5
а) 3/4 и 4/7 = 21/28 и 16/28
б) 2/9 и 5/18 = 4/18 и 5/18
а) 15/27 и 24/42 = 5/9 и 8 /14 = 70 / 126 и 72 / 126
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Verified answer
14 / 21 = 2/3 ; 6/9 = 2 / 3 ; 88 / 99 = 8 /9 ; 75 / 120 = 5 / 8а) 8 * 11 / 33 * 4 = 32 * 11 / 33 = 32/3
б) 18 * 25 /75 * 12 = 18 * 1 /3 * 12 = 6 * 12 = 72
в) 6 * 7 + 7 * 5/49 = 7*( 6 + 5/49) = 7 * 6 5/49 = 7 * 299/49 = 299 / 7 = 42 5/7
г) 26 * 5/25 *13 = 26 * 1/5 * 13 = 338 * 1/5 = 338 / 5 = 67 3/5
а) 3/4 и 4/7 = 21/28 и 16/28
б) 2/9 и 5/18 = 4/18 и 5/18
а) 15/27 и 24/42 = 5/9 и 8 /14 = 70 / 126 и 72 / 126