377737.255 - 255255.737
= 377737 . 255 - (255 . 1001) . 737
= 377737 . 255 - 255 . 737737
= (377737 - 737737) . 255
= -360 000 . 255
= -91800000
k mik nha
377737 . 255 - 255255 . 737 = 377737 . 255 - ( 255 . 1001 ) . 737
= 377737 . 255 - 255 . 737737
= ( 377737 - 737737 ) . 255
= -360000 . 255
= -91800000