Răspuns:
1600:4:[3×70-(2×45-3²×2³×5×3:12):5³×2²+95×2]×12=
400:[210 - ( 90-9·8·5·3:12):125·4+190]·12=
400:[210 - (90-1080:12):125·4+190]·12=
400:[210 - (90-90):125·4+190]·12=
400:(210-0:125·4+190)·12=400:(210+190)·12=400:400·12=1·12=12
Explicație pas cu pas: