Ответ:
Пошаговое объяснение:
1. (-5/8)*(-4/5)*(-3/4)*(-2/3)*(-1/2) = -1/8
2. (-7/12)*(-6/7)*(-5/6)*(-4/5)+2/3 = 1/3+2/3 = 3/3 = 1
3. (-11/15)*(-10/11)*(-9/10)+(-7/9)*(-6/7)+4/15 = -9/15+2/3+4/15 =
-9/15+10/15+4/15 = 5/15 = 1/3
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Ответ:
Пошаговое объяснение:
1. (-5/8)*(-4/5)*(-3/4)*(-2/3)*(-1/2) = -1/8
2. (-7/12)*(-6/7)*(-5/6)*(-4/5)+2/3 = 1/3+2/3 = 3/3 = 1
3. (-11/15)*(-10/11)*(-9/10)+(-7/9)*(-6/7)+4/15 = -9/15+2/3+4/15 =
-9/15+10/15+4/15 = 5/15 = 1/3