500-180/(90/45)+30=?????? 100000-284*235 (90+510/30)*(80/4*5)=??????? 9999+406*207

Question

500-180/(90/45)+30=?????? 100000-284*235

(90+510/30)*(80/4*5)=??????? 9999+406*207

Answer 1

1.440
2.714018000
3.42030939