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20537егор
@20537егор
July 2022
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выполните действия 9 7/12-4 5/12-(2 3/4-1 3/4)= 8 7/15 - 3 1/15 + 4 4/15
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Galinka23
Verified answer
9 7/12-4 5/12-(2 3/4-1 3/4)=
4 1/6
1)2 3/4 - 1 3/4 = 11/4 - 7/4 = 4/4 = 1
2)9 7/12 - 4 5/12 = 115/12 - 53/12 = 62/12 = 31/6 = 5 1/6
3)5 1/6 - 1 = 31/6 - 1 =
(31 × 1 - 1 × 6)/6 = 31/6 - 6/6 = 25/6 = 4 1/6
8 7/15 - 3 1/15 + 4 4/15=
9 2/3
1)8 7/15 - 3 1/15 = 127/15 - 46/15 = 81/15 = 27/5 = 5 2/5
5 2/5+4 4/15=27/5 + 64/15 =
(27 × 3 + 64 × 1)/15 = 81/15 + 64/15 = 145/15 = 29/3 = 9 2/3
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Answers & Comments
Verified answer
9 7/12-4 5/12-(2 3/4-1 3/4)= 4 1/61)2 3/4 - 1 3/4 = 11/4 - 7/4 = 4/4 = 1
2)9 7/12 - 4 5/12 = 115/12 - 53/12 = 62/12 = 31/6 = 5 1/6
3)5 1/6 - 1 = 31/6 - 1 =(31 × 1 - 1 × 6)/6 = 31/6 - 6/6 = 25/6 = 4 1/6
8 7/15 - 3 1/15 + 4 4/15= 9 2/3
1)8 7/15 - 3 1/15 = 127/15 - 46/15 = 81/15 = 27/5 = 5 2/5
5 2/5+4 4/15=27/5 + 64/15 = (27 × 3 + 64 × 1)/15 = 81/15 + 64/15 = 145/15 = 29/3 = 9 2/3