Ответ:
-3,8 + 2 ⅓ = - 19/5 + 7/3 = ( -57 + 35)/15= - 22/15 = - 1 7/15
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Ответ:
-3,8 + 2 ⅓ = - 19/5 + 7/3 = ( -57 + 35)/15= - 22/15 = - 1 7/15