1.3
2.2
3.2
1) =88\60*15\8=11\4
2) 2\(9x-3)=2*1\2*(4x-3)
9x-3=8x-6
x=-3
3) =((2^(1\2)*2^(1\3))\2^(10\12))*1=2^(5\6)\2^(5\6).
