ПОМОГИТЕ РЕШИТЬ, ПЛИЗ
56:(36:r-2)=8
36 : r-2=56:8
36 : r = 7+2
36:r = 9
r = 36 : 9
r = 4
56:8=7
7+2=9
36:9=4
ответ: r= 4
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36 : r-2=56:8
36 : r = 7+2
36:r = 9
r = 36 : 9
r = 4
56:8=7
7+2=9
36:9=4
ответ: r= 4