2/3: ( 5/6x-1/6)+1/3=7/9 помогите ;)
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Ответил akiraNight
0
23 ; [ 56x - 16 ] + 13 = 79
23 ; [ 56x - 16 ] = 79 - 13
79 - 13 = 79 - 39 = 49
23 ; [ 56x - 16 ] = 49
56x - 16 = 23 ; 49
23 ; 49 = 23 x 94 = 32
56x - 16 = 32
56 x= 32 + 16 = 96 + 16 = 106 = 53
56x = 53
x = 53 ; 56 = 53 x 65 = 2 x =2
23 ; [ 56x - 16 ] = 79 - 13
79 - 13 = 79 - 39 = 49
23 ; [ 56x - 16 ] = 49
56x - 16 = 23 ; 49
23 ; 49 = 23 x 94 = 32
56x - 16 = 32
56 x= 32 + 16 = 96 + 16 = 106 = 53
56x = 53
x = 53 ; 56 = 53 x 65 = 2 x =2
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