320-[(36×52-24×a)÷4-176]÷4=295
[(36×52-24×a)÷4-176]÷4=295+320=615
(36×52-24×a)÷4-176=615×4=2460
(36×52-24×a)÷4=2460+176=2636
36×52-24×a=2636+24=2660
36×52×a=2660÷36=2628 rest 32
52×a=2628 rest 32
a=2628 rest 32 : 52
a=50, rest 32
nu este 32, dar este 50 rest 32!
