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ruha20050420
@ruha20050420
August 2022
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Дам 20 баллов! Помогите !!!! Пожалуйста!
А) СУММЫ -5/7+3/14 ;
2 3/11-1 9/22 ;
4/9-5/18 ;
0,5-3,1
Б) ПРОИЗВЕДЕНИЯ
3/8*(-4/9) ;
-3 1/3*0,9 ;
-2 1/5*10/11 ;
-1 5/12*1/17
В) ЧАСТНЫЕ
2/3:(-7/9);
0,27:0,9
-0,26:(-0,13)
-3/5:0,6
ООГРОМНОЕ СПАСИБО !!!!!
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tatsach
Verified answer
А) СУММЫ
-5/7+3/14 =-10/14+3/14=-7/14=-1/2
2 3/11-1 9/22 =25/11-31/22=50/22-31/22=19/22
4/9-5/18 =8/18-5/18=3/18=1/6
0,5-3,1=-2.6
Б) ПРОИЗВЕДЕНИЯ
3/8*(-4/9) =-1/6
-3 1/3*0,9 =-10/3*9/10=-3
-2 1/5*10/11 =-11/5*10/11=-2
-1 5/12*1/17=-17/12*1/17=-1/12
В) ЧАСТНЫЕ
2/3:(-7/9)=2/3*(-9/7)=-6/7
0,27:0,9=0.3
-0,26:(-0,13)=2
-3/5:0,6=-0.6:0.6=-1
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Answers & Comments
Verified answer
А) СУММЫ-5/7+3/14 =-10/14+3/14=-7/14=-1/2
2 3/11-1 9/22 =25/11-31/22=50/22-31/22=19/22
4/9-5/18 =8/18-5/18=3/18=1/6
0,5-3,1=-2.6
Б) ПРОИЗВЕДЕНИЯ
3/8*(-4/9) =-1/6
-3 1/3*0,9 =-10/3*9/10=-3
-2 1/5*10/11 =-11/5*10/11=-2
-1 5/12*1/17=-17/12*1/17=-1/12
В) ЧАСТНЫЕ
2/3:(-7/9)=2/3*(-9/7)=-6/7
0,27:0,9=0.3
-0,26:(-0,13)=2
-3/5:0,6=-0.6:0.6=-1