Question

a)1+11×{1+11×[1+11×(11×11-120)]}+11×11
b)[103-3×(21×11-23×9)]×{3+5×[2+3×(5+5×6)]}

Answer 1

a)1+11. {1+11.[1+11.(11.11-120)]}+11.11=
1+11.{1+11.[1+11. (121-120)]} +121=
1+11.{1+11. [1+11.1)]}+121=
1+11.[1+11. (1+11)+121=
1+11.(1+11.12)+121=
1+11. (1+132)+121=
1+11.133+121=
1.1463+121=
1463+121=1584
b)[103-3. (21.11-23.9)]. {3+5.[2+3.(5+5.6)]}=
[103-3. (231-207)].{3+5. [2+3. (5+30)]}=
(103-3.24).(3+5.35)=
(103-72). (3.175)
31.525=16275