2.31.12+4=

=744+4

=748

bn nha

= 748 nha bn

2*31*12+4=744+4=748

a) 2 . 3 . 12 + 4 . 6 . 42 + 8 . 27 . 3

= 3 . 24 + 24 . 42 + 24 . 27

= 24 ( 3 + 42 + 27 )

= 24 . 72 = 3024

Hok tốt

2.31.12 + 4.6.42 + 8.27.3

= ( 2.12). 31 + ( 4. 6).42 + (8.3). 27

= 24.31 + 24.42 + 24.27

= 24.(31 + 42 + 27) = 24.100 = 2400

2.12=24

4.6 =24

8.3 = 24

=24(31+42+27) = 24.100 = 2400

  2.31.12+4.6.42+8.27.3

=(2.12).31+(4.6).42+(8.3).27

=24.31+24.42+24.27

=24.(31+42+27)

=24.   100

=2 400

2 . 31 . 12 + 4 . 6 . 42 + 8 . 27 .3

= (2 . 12) . 31 + (4 . 6) . 42 + (8 . 3) . 27

= 24 . 31 + 24 . 42 + 24 . 27

= 24 . (31 + 42 + 27)

= 24 . 100

= 2400

=(24.31)+(24.42)+(24.27)

=24.(31+42+27)

=24.100

=2400

2.31.12+4.6.42+8.27.3

=24.31+24.42+24.27

=24.(31+42+27)

=24.100

=2400

    \(2.31.12+4.6.42+8.27.3\) 

\(=\left(2.12\right).31+\left(4.6\right).42+\left(8.3\right).27\)

\(=24.31+24.42+24.27\)

\(=24.\left(31+42+27\right)\)

\(=24.100=2400\)

k nha

( 2 x 12 ) x 31 + ( 4 x 6 ) x 42 + ( 8 x 3 ) x 27

=( 31 + 42 +27 ) x 24

=100 x 24

= 2400

 2.31.12 + 4.6.42 + 8.27.3

= ( 2.12) .31 + ( 4.6) . 42 + ( 8.3) 27

= 24.31 + 24.42 + 24.27

= 24. (31 + 42 + 27)

= 24. 100

= 2400

a)=24.31+24.42+24.27=24.(31+42+27)=24.100=2400

b)=36.(28+82)+64.(69+41)=36.110+64.110=110.(36+64)=110.100=11000

a) 2.31.12 + 4.6.42 + 8.27.3 = 24.31 + 24.42 + 24.27 = 24.(31 + 42 + 27) = 24.100 = 2400

b) 36.28 + 36.82 + 64.69 + 64.41

= 36.(28 + 82) + 64.(69 + 41)

= 36. 110 + 64. 110

= 110. (36 + 64) = 110.100 = 11000

Bạn là trái hay gái 

a ) = 24 . 31 + 24.42 + 24.27

= 24 . ( 31+42+27)

=24.100

= 2400

b) = 36.( 28+82) + 64.( 69+41)

= 36.101 + 64.101

=101.( 36+64)

=101.100

=10100

sai rồi kết quả là 11000 chứ

A) 2.31.12+4.6.42+8.27.3

=( 2.12 )+31.( 4.6 )+42. ( 8.3)+27

=24 . (31 + 42  +27 )

=24 . ( 73 + 27)

= 24 . 100

= 2400

B ) 36 . 28 + 36.82+64. 69+64 . 41

= 36 . ( 28 + 82 )+ 64 . ( 69 + 41 )

= 36 . 110+64.110

=110 . (36 + 64 )

= 110 . 100

= 11000