Question

7747:[17+24×3-(36:2+893:19)+10×3+7]-127.

Answer 1

7747:[17+24×3-(36:2+893:19)+10×3+7]-127=
=7747:[17+72-(18+47)+30+7]-127=
=7747:(89-65+37)-127=
=7747:61-127=
=127-127=0

Answer 2

7747:[17+24×3-(36:2+893:19)+10×3+7]-127=686.262
scz ca ti-am pus rezultatul direct dar asa rezolv eu (in cap)