568 - { 5 [ 143-(4-1)]2 +10} :10
= 568 - (5 * 140^2 +10) :10
= 568 - 9801
= 9233
=568 - { 5 [143-3]2+10}:10=568 - 5.1402:10-10:10=568-5.142.102:10-1=567-5.142.10=567-9800=-9233
568-(5(143-(4-1)^2)+10):10
=568-(5*140^2+10):10
=568-(5*280+10):10
=568-(1400+10)10
=568-1410:10
=568-141
=427
=568-{5.[143-3^2]}:10
=568-{5.[143-9]}:10
=568-{5.134}:10
=568-670:10
=568-67
=501