Ответ:
(-7/8)*(-8/9)*(-9/10)*(-10/11)*(-11/12)+5/12=-7*1/12+5/12=-7/12+5/12=-1/6=-0,16
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Ответ:
(-7/8)*(-8/9)*(-9/10)*(-10/11)*(-11/12)+5/12=-7*1/12+5/12=-7/12+5/12=-1/6=-0,16