Решите примеры. Желательно распишите: 1) 36,8-(-14,3+11,9)+(18,3-4)= 2) 8 5/6-(7 1/3+2 1/4):1/4=. Created by snzcat6. matematika-ru

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Решите примеры. Желательно распишите:
1) 36,8-(-14,3+11,9)+(18,3-4)=
2) 8 5/6-(7 1/3+2 1/4):1/4=

LindSayWoW 1) 36,8-(-14,3+11,9)+(18,3-4)=
36.8-(2.4)+14.3=
36.8+2.4+14.3=
53.5
2) 8 5/6-(7 1/3+2 1/4):1/4=
4*5/3-(7/3+1/2)*4
20/3-(14+3)/6*4
20/3-17/3*2
20/3-34/3
(20-34)/3=
-14/3

2004тигр2004 1) 36,8 - ( - 2.4 ) + 14.3 = 39.2 + 14.3 = 53.5
Ответ: 53.5
2) 8 5/6 - (7 1/3 + 2 1/4) : 1/4 = 53/6 - 115/12 : 1/4 = 53/6 - 115/3 = - 177/6 = -29.5
Ответ: - 177/6 = -29.5

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