а) Сможет, т.к. 0 + 5 = 5 - 3 = 2 + 5 = 7 - 3 = 4 + 5 = 9 - 3 = 6.
б) Сможет, т.к. 0 + 5 = 5 - 3 = 2 + 5 = 7. Фух)
11\18. 25\42
ноз(18,42)=126
Arcsin(√3/2)=π/3, arccos(1/2)=π/3/
cos(3*π/3-1/2*π/3)=cos(π-π/6)=cos(5*π/6)=-1/2/
655= 5*131
822=2*411
2505=5*501
1. в) 5³+3³=125+27=152
2. а) 8x+14=870
8x=856
x=107
б) 5y-y=68
4y=68
y=17
3. a) 59k+13