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manyshak12
@manyshak12
July 2022
2
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Пожалуйста решите мне через час в школу!!10номер верхняя строчка!
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6755619
A ) =9 1/4
в) = 8/5+8/3=24/15+40/15=64/15=4 4/15
д) = 2 7/7 -5/7= 2 2/7
ж) = 2 7/5-3/5=2 4/5
1 votes
Thanks 0
ketlin25
А) 4 + 5 1/4 = 4 + 21/4 =
4*4 +21
=
16 +21
= 37/4 = 9 1/4
4 4
б) 1 2/9 + 3 1/3 = 11/9 + 10/3 =
11 + 10*3
=
11 +33
= 44/9 = 4 8/9
9 9
в) 1 3/5 + 2 2/3 = 8/5 + 8/3 =
8*3 + 8*5
=
24 + 40
= 64/15 = 4 4/15
15 15
г) 5 3/4 - 2 = 23/4 - 2 =
23 - 2*4
=
23-8
= 15/4 = 3 3/4
4 4
д) 3 - 5/7 =
3*7 - 5
=
21 - 5
= 16/7 = 2 2/7
7 7
е) 4 - 1 7/9 = 4 - 16/9 =
4*9 - 16
=
36 - 16
= 20/9 = 2 2/9
9 9
ж) 3 2/5 - 3/5 = 17/5 - 3/5 =
17 - 3
= 14/5 = 2 4/5
5
з) 4 1/3 - 1 1/2 = 13/3 - 3/2 =
13*2 - 3*3
=
26 - 9
= 17/6 = 2 5/6
6 6
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Answers & Comments
в) = 8/5+8/3=24/15+40/15=64/15=4 4/15
д) = 2 7/7 -5/7= 2 2/7
ж) = 2 7/5-3/5=2 4/5
4 4
б) 1 2/9 + 3 1/3 = 11/9 + 10/3 = 11 + 10*3 = 11 +33 = 44/9 = 4 8/9
9 9
в) 1 3/5 + 2 2/3 = 8/5 + 8/3 = 8*3 + 8*5 = 24 + 40 = 64/15 = 4 4/15
15 15
г) 5 3/4 - 2 = 23/4 - 2 = 23 - 2*4 = 23-8 = 15/4 = 3 3/4
4 4
д) 3 - 5/7 = 3*7 - 5 = 21 - 5 = 16/7 = 2 2/7
7 7
е) 4 - 1 7/9 = 4 - 16/9 = 4*9 - 16 = 36 - 16 = 20/9 = 2 2/9
9 9
ж) 3 2/5 - 3/5 = 17/5 - 3/5 = 17 - 3 = 14/5 = 2 4/5
5
з) 4 1/3 - 1 1/2 = 13/3 - 3/2 = 13*2 - 3*3 = 26 - 9 = 17/6 = 2 5/6
6 6