9=9²/⁷*9⁷/² верно
9=9²/⁷*9⁵/⁷=9 верно
5⁻⁵/⁸=5⁻⁵/⁸ верно
5⁻⁵/⁸≠5⁻⁸/⁵
0,16³/²=0,4³=0,064
10+8²/³=10+2²=10+4=14
10²/⁵*(10²)³/¹⁰+10⁻²=10²/⁵*10³/⁵+0,01=10+0,01=10,01
(64м⁶)¹/⁴=(2⁶м⁶)¹/⁴=(2м)⁶/⁴=(2м)¹"⁵
⁶√6m⁶
(t¹/²-1)/(t¹/²+1)*(t¹/²+1)¹/²/(t¹/²-1)¹/²-(t¹/²+1)/(t-1)¹/²=
(t¹/²-1)¹/²/(t¹/²+1)¹/²- (t¹/²-1)/(t¹/²-1)¹/²(t¹/²+1)¹/²=
(t¹/²-1-t¹/²+1)/(t¹/²-1)=0