Задача 55813 56 - (x - 15) = 30 (45 - y) + 18 =...

5fbe933064081d1dafcb20a1

25.11.2020 20:25:08

56 - (x - 15) = 30

(45 - y) + 18 = 58

(24 + x) - 21 = 10

5f3ea7e3faf909182968ddd9

25.11.2020 22:34:17

★

x-15=56-30
x=26+15
x=41

45-y=58-18
45-y=40
y=45-40
y=5

24+x=10+21
x=31-24
x=7

41+5+7=[b]53[/b]