a) 22 . 31 - ( 12012 + 20120 ) . |-2|
= 4 . 3 - ( 1 + 1 ) . 2
= 12 - 2 . 2
= 10 . 2
= 20.
b) { 47 . [ 736 . ( 5 - 3 )4]} . 203
= { 47 . [ 736 . 24 ]} . 203
= { 47 . [ 736 . 16 ]} . 203
= { 47 . 11 776 } . 203
= 553 472 . 203
= 112 354 816
a,
=4.3 - (1+1).2
=12-2.2
=12-4=8
b {47 . [736-2^4]}.203
={47. [736-16]} . 203
={47 . 720} . 203
=33840. 203
=6869520