а=20
a-18 = 20 - 18 = 2
a+24 = 20+24 = 48
а=38
a-18 = 38 - 18 = 20
a+24 = 38 + 24 = 62
а=42
a-18 = 42 - 18 = 24
a+24 = 42 + 24 = 66
а=56,
a - 18 = 56 - 18 = 38
a+24 = 56 + 24 = 80
поблагодарите!
1)20-18=2 20+24=44
2)38-18=20 38+24=62
3)42-18=24 42+24=66
4)56-18=38 56+24=80
