0.29+0.14+0.16+0.18+0.88
=0.29+(0.14+0.16)+0.18+0.88
=0.25+0.02+0.02+0.30+0.18+0.88
=0.25+(0.02+0.18)+(0.02+0.88)+0.30
=0.25+0.20+0.90+0.30
=0.45+1.20
=1.65