Afla termenul necunoscut:464+a-399-124-27=199

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Grade: Education Subject: matematica
Afla termenul necunoscut:464+a-399-124-27=199
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(43)
199+27+124+399=751,464+a=399,464-399=65 (a)
(33)
a=199+27+124+399-464= 749-464=285