20000-(8976•97-(4713450/1005+3978/39-506))/31020000-(8976•97-(4686.76+102-506))/31020000-(8976•97-(4378.76))/31020000-(870672-4378.76)/31020000-(866293.24)/31020000-2791.2817208.72
Therefore, the result of the expression 20000-(8976•97-(4713450:1005+3978:39-506):310 is 17208.72.
20000-(8976•97-(4713450/1005+3978/39-506))/310
20000-(8976•97-(4686.76+102-506))/310
20000-(8976•97-(4378.76))/310
20000-(870672-4378.76)/310
20000-(866293.24)/310
20000-2791.28
17208.72
Therefore, the result of the expression 20000-(8976•97-(4713450:1005+3978:39-506):310 is 17208.72.