Question

2 x 31 x 12 + 4 x 6 x 42 + 8 x 27

Answer 1

  2 x 31 x 12 + 4 x 6 x 42 + 8 x 27

=24 x 31 + 24 x 42 + 8 x 27

=24 x (31 + 42) + 8 x 27

= 24 x 73 + 8 x 3 x 9

= 24 x 73 + 24 x 9

= 24 x (73 + 9)

= 24 x 82

= 1968

Answer 2

2 x 13 x 12 +4 x6 x42 +8 x 27 = 1536 

Answer 3

2 x 31 x 12+ 4x6x42+8x27=

=1116+1008+216

=2124+216

=2340

t tôi nha bn

Answer 4

2.31.12+4.6.42+8.27

=62.12+4.6.42+8.27

=744+24.42+8.27

=744+1008+216

=1752+216

=1968