Question

thuc hien phep tinh : 

53 . 18 + 2 . 9 . 87 - 18 . 40 

Ai nhanh mình tick nha . Đang cần lắm

Answer 1

53 . 18 + 2 . 9 . 87 - 18 . 40

= 53 . 18 + 18 . 87 - 18 . 40

= 18 ( 53 + 87 - 40 )

= 18 . 100

= 1800

Answer 2

cảm ỏn

Answer 3

53 . 18 + 2 . 9 . 87 - 18 . 40

=53 . 18 + 18 . 87 - 18 . 40

=18 . (53 +87 - 40)

=18 . 100

=1800

Answer 4

=53.18+(2.9).87-18.40

=53.18+18.87-18.40

=(53+87-40).18

=100.18

=1800

k cho tui

Answer 5

53.18+18.87-18.40

18(53+87-40)=18.100=1800