18 . 26 . 25 . 9
= ( 18 . 25 ) . ( 26 . 9 )
= 450 . 234
= 105 300
2 . 450 . 25 . 8
= ( 2 . 450 ) . ( 25 . 8 )
= 900 . 200
= 180 000
55 . 17 .16 . 15
( 15 . 16 ) . ( 55 . 17 )
= 240 . 935
= 224 400
125 . 98 . 2 . 8 . 25
( 25 .8 ) . ( 125 . 2 ) . 98
= 200 . 250 . 98
= 50 000 . 98
= 4 900 000
15 . 6 . 4 . 125 . 8
= ( 125 . 4 ) . ( 15 . 8 ) . 6
= 500 . 120 . 6
= 60 000 . 6
= 36 000
chúc bạn may mắn . tick cho mình nhé !