Question

Va rog ajutatima! Dau coroana

Answer 1

a=4^3/2^2-18^0[5^10/5^9-6^2(7^15/7^13-72)]=2^6/2^2-1*[5^1-6^2(7^2-72)]=2^4-[5-36(49-72)]=16-5-36*23=11-36*23=...calculezi asta si la b nu e clar