491 + х = 557736 : 68
491 + х = 8202
х = 8202 - 491
х = 7711
_____________________
проверка :
557736 : (491+ 7711)
557736 : 8202
68
68=68
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Answers & Comments
491 + х = 557736 : 68
491 + х = 8202
х = 8202 - 491
х = 7711
_____________________
проверка :
557736 : (491+ 7711)
557736 : 8202
68
68=68