а) ==2х a) ==3x
б) ==y⁴ б) ==y⁶
Объяснение:
a)==1.2*6=7.2
b)=√81/√16=9/4=2 1/4
a)==5*1.3=6.5
b) =√100/√49=10/7=1 3/7
=
=2х a) 
=
=3x
=
=y⁴ б) 
=
=y⁶
=
=1.2*6=7.2
=√81/√16=9/4=2 1/4
=
=5*1.3=6.5
=√100/√49=10/7=1 3/7
