2)
15,3 : 10 + 0,063 * 100 - 0,43 = 7.4
3)
x + 13.6 = 20
х = 20 - 13.6
х = 6.4
43.24 - х = 27.8
х = 43.24 - 27.8
х = 15.44
2)
15,3 : 10 + 0,063 * 100 - 0,43 = 7.4
3)
x + 13.6 = 20
х = 20 - 13.6
х = 6.4
43.24 - х = 27.8
х = 43.24 - 27.8
х = 15.44