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=[(10³:5²:2³+3²•5²):1]•2¹=
=[(10³:10²:2+3²•5²):1]•2¹=
=(5+225)•2=
=230•2=460
b){[(12²+5²):13]²-2⁷-2⁰}:2³=
={[(144+25):13]²-2⁷-1}:2³=
=[(169:13)²-2⁷-1]:2³=
=(169-128-1):2³=
=40:8=
=5