3ab²-[2a²b+(5ab²-3a²b)-a²]+b²
=3ab^2-2a^2b-5ab^2+3a^2b+a^2+b^2
=-2ab^2+a^2b+a^2+b^2
=-2*-1*0.01+1*0.1+1+0.01
=0.02+0.1+1+0.01
=1.13
3ab²-[2a²b+(5ab²-3a²b)-a²]+b²
=3ab^2-2a^2b-5ab^2+3a^2b+a^2+b^2
=-2ab^2+a^2b+a^2+b^2
=-2*-1*0.01+1*0.1+1+0.01
=0.02+0.1+1+0.01
=1.13