9.6+20.03-11.03 12.01+7.12-8.01 =9.6+(20.03-11.03) =12.01-8.01+7.12 =9.6+9 =4+7.12 =18.6 =11.12 12.99+10.48-4.99 4.37+15.14-0.14 =12.99-4.99+10.48 =4.37+(15.14-0.14) =8+10.4 =4.37+15 =18.48 =19.37 16.07+3.95-10.07 16.32+2.94-6.32 =16.07-10.07+3.95 =16.32-6.32+2.94 =6+3.95 =10+2.94 =9.95 =12.94 1.14+19.36-0.36 1.17+19.75-7.75 =1.14+(19.36-0.36) =1.17+(19.75-7.75) =1.14+19 =1.17+12 =20.14 =13.17 0.33+17.89-16.89 4.16+15.16-9.16 =0.33+(17.89-16.89)=4.16+(15.16-9.16) =0.33+1 =4.16+6 =1.33 =10.16