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Julia1037
@Julia1037
July 2022
2
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а) -3/10-1/15=
б) -3/5 * 5/9=
в) 8/21 : (-4/7)=
Помогите дам 20 баллов
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natalyvd
-3/10-1/15=-9/30-2/30=-11/30
-3/5*5/9=-1/3
8/21:(-4/7)=8/21*(-7/4)=-2/3
2 votes
Thanks 4
Julia1037
Спасибо
jekadva
А) -3/10-1/15= -(9/30+2/30)= -11/30
б) -3/5 * 5/9= -1/3
в) 8/21 : (-4/7)= -8/21 * 7/4= -2/3
4 votes
Thanks 6
Julia1037
Спасибо!
jekadva
пожалуйста
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Answers & Comments
-3/5*5/9=-1/3
8/21:(-4/7)=8/21*(-7/4)=-2/3
б) -3/5 * 5/9= -1/3
в) 8/21 : (-4/7)= -8/21 * 7/4= -2/3