Помогите решить:
-1/2 * (-2/3) * (-3/4) * (-4/5)=
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-1/2 * (-2/3) * (-3/4) * (-4/5) = 1/3
1) -1/2 * (-2/3) = 2/6 = 1/3
2) (-3/4) * (-4/5) = 12/20 = 3/5
3) 1/3 * 3/5 = 3/15 = 1/3
1) -1/2 * (-2/3) = 2/6 = 1/3
2) (-3/4) * (-4/5) = 12/20 = 3/5
3) 1/3 * 3/5 = 3/15 = 1/3
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