Найдите значение выражения: 1) (-1 5/11+(-6 6/11))+(-3/7 + (-1 4/7))
2) (-5 9/17+(-4 8/17))+(-4/15+(-4 14/15))
3) (-1 2/7+(-3 5/7))+(-8 5/9)
4) (-3 2/3) + (-1 4/9+(-6 5/9))

Question

Математика: Найдите значение выражения: 1) (-1 5/11+(-6 6/11))+(-3/7 + (-1 4/7)) 2) (-5 9/17+(-4 8/17))+(-4/15+(-4 14/15)) 3) (-1 2/7+(-3 5/7))+(-8 5/9) 4) (-3 2/3) + (-1 4/9+(-6 5/9))

semaf1345789 · Answer

1) (-1 5/11+(-6 6/11))+(-3/7 + (-1 4/7))=-10

(-1 5/11+(-6 6/11)=-1 5/11-6 6/11=-8

-3/7 -1 4/7=-2

-8+(-2)=-8-2=-10

2) (-5 9/17+(-4 8/17))+(-4/15+(-4 14/15))=-15 1/5

-5 9/17+(-4 8/17)=-5 9/17-4 8/17=-10

-4/15+(-4 14/15)=-4/15-4 14/15=-5 1/5

-10+(-5 1/5)=-10-5 1/5=-15 1/5

3) (-1 2/7+(-3 5/7))+(-8 5/9)=-13 5/9

-1 2/7+(-3 5/7)=-1 2/7-3 5/7=-5

-5+(-8 5/9)=-5-8 5/9=-13 5/9

4) (-3 2/3) + (-1 4/9+(-6 5/9))=-11 2/3

-1 4/9+(-6 5/9)=-1 4/9-6 5/9=-8

-3 2/3+(-8)=-3 2/3-8=-11 2/3

Пошаговое объяснение: