Question

tính nhanh : 20,06 x 99,05 + 20,06 : 2 . giúp mk với

 

Answer 1

20,06 x 99,05 + 20,06 : 2

=  20,06 x 99,05 + 20,06 x 1/2

= 20,06 x 99,5 + 20,06 x 0,5

= 20,06 x ( 99,5 + 0,5 )

= 20,06 x 100 = 2006

Answer 2

\(=20,06\times\left(99,05+0,5\right)=20,06\times100=2006\)

Answer 3

20,06 x 99,5 + 20,06 : 2

= 20,06 x ( 99,5 + 2 )

= 20,06 x 101,5

= 2036,09

Answer 4

1996,964

Answer 5

Answer 6

20,06 x 99,5 + 20,06 : 2==1996,964

Answer 7

20,06 x 99,5 + 20,06 : 2

= 20,06 x 99,5 + 20,06 x 

= 20,06 x 99,5 + 20,06 x 0,5

= 20,06 x (99,5 + 0,5)

= 20,06 x 100

= 2006