20,06 - ( 5,06 + 4,23 )
= 20,06 - 5,06 - 4,23
= 15 - 4,23
= 10,77
20,06 - ( 5,06 + 4,23 )
= 20,06 - 5,06 - 4,23
= 15 - 4,23
= 10,77
Học tốt nhé bạn !
ttttttttttttttttttttttttttttttttttttt
20,06 - [ 5,06 + 4,23 ]
= 20,06 - 5,06 - 4,23
= 15 - 4,23
= 10,77