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Настя201320
@Настя201320
July 2022
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Помогите пожалуйста решить 3 уравнения!
1)2/15 равно 3/5х
2)2/3 равно 28/7х
3)9/10 равно 63/5(х+8
)
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Answers & Comments
bloodwolf7
1) 2/15 = 3/5х
х=2/15 : 3/5 = 2/15 * 5/3
х=1/3
2) 2/3 = 28/7х
х= 2/3 : 28/7= 2/3 * 7/28
х= 1/6
3) 9/10 = 63/5(х+8
)
х+8= 9/10 : 63/5= 9/10 * 5/63
х+8= 1/14
х= 1/14 - 8= 1/14 - 7целых14/14= -7целых13/14
11 votes
Thanks 27
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Answers & Comments
х=2/15 : 3/5 = 2/15 * 5/3
х=1/3
2) 2/3 = 28/7х
х= 2/3 : 28/7= 2/3 * 7/28
х= 1/6
3) 9/10 = 63/5(х+8)
х+8= 9/10 : 63/5= 9/10 * 5/63
х+8= 1/14
х= 1/14 - 8= 1/14 - 7целых14/14= -7целых13/14