(570*240)+(43752:8)=142269
(683196+75635)-(805111-192633)=146353
(2348*576)-(1692*395)=684108
(280800:800)+(288400:70)=4471
б) (683196 + 75635) - (805111 - 192633)=146353
в)2348*576 - 1692 * 395 =684108
г)280800:800 + 288400:70=4471
(570*240)+(43752:8)=142269
(683196+75635)-(805111-192633)=146353
(2348*576)-(1692*395)=684108
(280800:800)+(288400:70)=4471