9 x 8 x 5 x 3 - 1080 = 0
ủng hộ mk nha
9 . 8 . 5 . 3 - 1080
= ( 9 . 8 . 5 . 3 ) - 1080
= 1080 - 1080
= 0
9 . 8 .5 . 3 -1080 =1080 - 1080
= 0
k mk nha!
9.8.5.3-1080
=72.5.3-1080
=360.3-1080
=1080-1080
=0
9 . 8 . 5 . 3 - 1080
= ( 9 . 3) . ( 8 . 5 ) - 1080
= 27 . 40 - 1080
= 1080 - 1080
= 0
ủng hộ mk nhé !!! ^-^