. Найдите значение выражения [2 балла]
а) –21–22–23–24–25+24+23+22 =
б) (-2 1/4)∙(+1,28)∙3,5-45,92 =
ПОМОГИТЕ СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
а) –21–22–23–24–25+24+23+22 =
б) (-2 1/4)∙(+1,28)∙3,5-45,92 =
ПОМОГИТЕ СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Ответ:
-21-22-23-24-25+24+23+22= - 46