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2014-10-05T22:51:06+03:00
A + b = 818
a : b/4 = 7 rest 59
a = 7b/4 + 59
a = 7b/4 +236/4
7b/4 + 236/4 + b = 818
7b + 4b = 3272 - 236
11b = 3036
b = 3036 : 11
b = 276
a = 818 - 276
a = 542

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