(4750:19-19*13)*84-242 = 9357-7288+3579+7290-3578 = 5544:88-5481:87+5454:(100-46)=
(4750:19-19×13)×84-242=10 9357-7288+3579+7290-3578=9360 5544÷88-5487+5454÷(100-46)=-5323