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Eire79
@Eire79
August 2022
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4
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Помогите пожалуйста решить уравнения.
Знак // обозначает дробную черту.
1)X-X//9=8//3
2)X-X//7=-9//14
В первом должно получиться 3, во втором - 0,75.
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soffiia
1) х -х/9 =8/3
х(1-1/9)=8/3
8/9х =8/3
х=8/3 : 8/9=8/3 *9/8
х=3
2) х-х/7= -9/14
х(1-1/7)= -9/14
6/7х= -9/14
х= -9/14 :6/7= -9/14 * 7/6= -9/12
х= -0.75
1 votes
Thanks 8
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Answers & Comments
х(1-1/9)=8/3
8/9х =8/3
х=8/3 : 8/9=8/3 *9/8
х=3
2) х-х/7= -9/14
х(1-1/7)= -9/14
6/7х= -9/14
х= -9/14 :6/7= -9/14 * 7/6= -9/12
х= -0.75