Задача 35387 (9,775,1)(0,232,8888889)...

vk526993045

2019-04-04 21:15:23

−(9,77−5,1)−(0,23−2,8888889)

u821511235

2019-04-04 21:21:30

- (9,77 - 5,1) - (0,23 - 2,8888889) =
= -9,77 + 5,1 - 0,23 + 2,8888889 =
= (5,1+2,8888889) - (9,77 + 0,23) =
= 7,9888889 - 10 = -2,0111111

aar2289

2019-04-05 10:10:54

– (9,77 – 5,1) – (0,23 – 2,8888889) =
= –9,77 + 5,1 – 0,23 + 2,8888889 =
= (5,1+2,8888889) – (9,77 + 0,23) =
= 7,9888889 – 10 = –2,011111