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

\(=144+1008+648=1800\)

\(=9\cdot8\left(2+14+9\right)=9\cdot8\cdot20=1800\)

\(2\cdot3\cdot12+4\cdot6\cdot42+8\cdot27\cdot3\\=(2\cdot12)\cdot3+(4\cdot6)\cdot42+(8\cdot3)\cdot27\\=24\cdot3+24\cdot42+24\cdot27\\=24\cdot(3+42+27)\\=24\cdot(45+27)\\=24\cdot72\\=1728\)

#\(Toru\)

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

a)\(2.31.12+4.6.42+8.27.3\)

\(=24.31+24.42+24.27\)

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

\(=24.100\)

\(=2400\)

b)\(36.28+38.82+64.69+64.41\)

\(=36.\left(28+82\right)+64.\left(69+41\right)\)

\(=36.110+64.110\)

\(=110.\left(36+64\right)\)

\(=110.100\)

\(=11000\)

a)2.31.12+4.6.42+8.27.3

=24.31+24.42+24.27

=24.(31+42+27)

=24.100

\(=2400\)

Ai trên 10 điểm hỏi đáp thì mình nha mình đang cần gấp chỉ còn 99 điểm là tròn rồi mong các bạn hỗ trợ mình sẽ đền bù xứng đáng

tích nha