147а-49=(9+26)*7
147а-49=35*7
147а-49=245
147а=245+49
147а=294
а=294/147
а=2
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147а-49=245
147а= 245+49
147а=294
а=2
147а-49=(9+26)*7
147а-49=35*7
147а-49=245
147а=245+49
147а=294
а=294/147
а=2