Question

cho hỏi muốn tính hợp lý câu này thì làm thế nào ạ?

2.24.27+3.19.18+6.57.9

Answer 1

2.24.27+3.19.18+6.57.9

=2.27.24+3.18.19+6.9.57

=54.24+54.19+54.57

=54.(24+19+57)

=54.100 =5400

Answer 2

2.24.27+3.19.18+6.57.9

 = 57.24 + 57.18 + 57.9

= 57. ( 24 + 18 + 9 )

= 2907

Study well 

Answer 3

thank

Answer 4

\(2.24.27+3.19.18+6.57.9=\left(2.27\right).24+\left(18.3\right).19+\left(9.6\right).57\)

\(=54.24+54.19+54.57\)

\(=54\left(24+19+57\right)\)

\(=54.100\)

\(=5400\)