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Полина20031111
@Полина20031111
June 2022
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числа а и б-целые, а +б=100. Может ли сумма 6а+3б быть равной 639?
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arinasem54
Kay, твой ответ не правельный, так будет -13
6*(100-b)+3b=639
600-6b+3b=639
-6b+3b=639-600
-3b=39 | : (-3)
b=-13
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6*(100-b)+3b=639
600-6b+3b=639
-6b+3b=639-600
-3b=39 | : (-3)
b=-13