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АлександраКостенко
@АлександраКостенко
March 2022
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вычислите в) 7/8+5/8×1/3+2/3
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Mexatronchik
Verified answer
7/8+5/8×1/3+2/3
1)
5/8×1/3 = 5/24
2)
7/8 + 5/24 = (общий знаменатель =24) 21/24 + 5/24 = 26/24 (сокращаем на 2) = 13/12
3)
13/12 + 2/3 = (общий знаменатель 12) 13/12 + 8/12 = 21/12 ( сокращаем на 3) = 7/4 = 1 целая 3/4
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Answers & Comments
Verified answer
7/8+5/8×1/3+2/31)5/8×1/3 = 5/24
2)7/8 + 5/24 = (общий знаменатель =24) 21/24 + 5/24 = 26/24 (сокращаем на 2) = 13/12
3)13/12 + 2/3 = (общий знаменатель 12) 13/12 + 8/12 = 21/12 ( сокращаем на 3) = 7/4 = 1 целая 3/4