Răspuns :

Explicație pas cu pas:

736-[392:(a-1)+152]×3:18+64=774

736-[392:(a-1)+152]×3:18=710

[392:(a-1)+152]×3:18=26

[392:(a-1)+152]×3=468

392:(a-1)+152=156

392:(a-1)=4

a-1=98

a=99

v:736-[392:(99-1)+152]×3:18+64=774

736-[392÷98+152]×3÷18+64=774

736-[4+152]×3÷18+64=774

736-156×3÷18+64=774

736-468÷18+64=774

736-26+64=774

710+64=774

774=774