289 + 456 x 789 / 489 - 746 + 2457 x 3453 / 3646
According to Board mass, do all the divisions in the expression,
289 + 456 * 1.61 - 746 + 2457 * 0.94
Now, all the multiplications,
289 + 734.16 - 746 + 2309.58
Now, all the subtraction,
289 - 11.84 + 2309.08
277.16 + 2309.08
Now, Addition,
277.16 + 2309.08 = 2586.24
So, you final answer is 2586.24
Hope this helps!