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olga83g
@olga83g
August 2022
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найдите значение выражения: (-7d-14d):(-7),если:а) d=-2/3;б) d=1,3
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yula666666
Verified answer
Сначало упростим: (-7)*(d+2d)/(-7)=d+2d
теперь подставим: а)(-2/3)-(4/3)=(-6/3)= -2
б)1,3+2,6=3,9
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Answers & Comments
Verified answer
Сначало упростим: (-7)*(d+2d)/(-7)=d+2dтеперь подставим: а)(-2/3)-(4/3)=(-6/3)= -2
б)1,3+2,6=3,9