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юля2414
@юля2414
July 2022
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помогите решить хотя бы первый пример упр 1098
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sashasz11
А) 3,8 + (-8,9) = -5,1;
б) -3,4 + 2,5 = -0,9;
в) -2/3 + 5/6 = -4/6 + 5/6 = 1/6;
г) 1 2/7 + (-5/7) = 9/7 - 5/7 = 4/7;
д) -1 3/8 + 5/8 = -11/8 + 5/8 = -6/8 = -3/4;
е) 4 + (-3 5/6) = 1/6.
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Answers & Comments
б) -3,4 + 2,5 = -0,9;
в) -2/3 + 5/6 = -4/6 + 5/6 = 1/6;
г) 1 2/7 + (-5/7) = 9/7 - 5/7 = 4/7;
д) -1 3/8 + 5/8 = -11/8 + 5/8 = -6/8 = -3/4;
е) 4 + (-3 5/6) = 1/6.