Упростите выражение:
1) 5/8х-(1\4х-1\12у)+1\3у=
2)9,4х+(2х-11целых 3/4у)-3целых 5\9у=
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Упростите выражение:
1) 5/8х-(1\4х-1\12у)+1\3у=
2)9,4х+(2х-11целых 3/4у)-3целых 5\9у=
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а) (5/8х - 1/4х) + ( 1/12у + 1/3у) = 3/8х + 5/12 у
б) ( 9,4х + 2х) - ( 11 целых 3/4у + 3 целых 5/9у) = 11,4х - (11 целых 27/36у + 3 целых 20/36у) = 11,4х - 15 целых 11/36у