1) 29 : 2 7\11 = 29 : 29\11 = 11
2) 11 - 11.6 = - 0.6
3) - 0.6 + 1 4\9 = -3\5 + 13\9 = 38\45
b₃=12 b₅=48 q=?
b₅/b₃=b₁q⁴/b₁q²=48/12
q²=4
q₁=2 q₂=-2.
5ay⁻²*a⁻⁴*y³=5a¹⁻³y³⁻²=5y*a⁻³=(5y)/a³
(c³x⁻⁴)/(c⁻²x⁻⁶)=c³⁺²x⁶⁻⁴=c⁵x²