\(4,06\left(4,5+2,3+1+2,2\right)=4,06.10=40,6\)

4,06 × 4,5 + 4,06 × 2,3 + 4,06  + 4,06 × 2,2

\(=4,06\times\left(4,5+2,3+1+2,2\right)=4,06\times10=40,6.\)

4.06 × 4.5 + 4.06 × 2.3 + 4.06  + 4.06 × 2,2

= 4.06x(4.5+2.3+1+2.2)

= 4.06x10

= 40.6

2046.24

8,12 x 6 + 16,24 x 4 - 4,06 x8 

= ( 8,12 x 6 ) + ( 16,24 x4 ) - ( 4,08 x 8 )

= 48,72 + 64,96 - 32,64 

= 81,04 

\(8,12\times6+16,24\times4-4,06\times8\)

\(=48,72+64,96+32,48\)

\(=113,68+32,48\)

\(=146,16\)

146,16 tk nhé bn

   8,12 x 6 + 16,24 x 4 - 4,06 x 8

= 8,12 x 6 + 8,12 x 2 x 4 - 8,12 x 0,5 x 8

= 8,12 x [6 + 8 - 4]

= 8,12 x 10

= 81,2

   8,12 x 6 + 16,24 x 4 - 4,06 x 8

= 8,12 x 6 + 8,12 x 2 x 4 - 8,12 x 0,5 x 8

= 8,12 x [6 + 8 - 4]

= 8,12 x 10

= 81,2

8,12 x 6 + 16,24 x 4 - 4,06 x 8

=48,72 + 64,96 - 32,48

= 113,68 - 32,48

 =81 ,2

2*4.06*6+4*4.06*4-4.06*8

=4.06*(2*6+4*4-8)

=4.06*20=81.2

8,12*6+8,12*2*4-8,12*1 :2*8

=8,12*(6+2-1):2*8

=8,12*7:2*8

=227,36

NHỚ K NHA

8,12 x 6 + 16,24 x 4 - 4,06 x 8

= 8,12 x 6 + 8,12 x 2 x 4 - 4,06 x 2 x 4

= 8,12 x 6 + 8,12 x 8 - 8,12 x 8,12 x 4

= 8,12 x ( 6 + 8 - 4 )

= 8,12 x 10

= 81,2

a.125 x 3,75 x 0,08 x 2 = 125 x 0,08 x 2 x 3,75

= 10 x 2 x 3,75

= 20 x 3,75

= 75

125×3,75×0,08×2

=(125×0,08)×(3,75×2)

=10×7,5

=75