Question

23 + 21 + 34 + 7 + 9 + 6 

 

Answer 1

= ( 23 + 7 ) + ( 21 + 9 ) + ( 34 + 6 )

= 30 + 30 + 40

= 60 + 40

= 100

ai k mình, mk k lại

Answer 2

=100 nha ban

Answer 3

\(23+21+34+7+9+6\)\(\)

\(=\left(23+7\right)+\left(21+9\right)+\left(34+6\right)\)

\(=30+30+40\)

\(=60+40\)

\(=100\)

Answer 4

23 + 21 + 34 + 7 + 9 + 6

= ( 23 +7 ) + ( 21 +9 ) + ( 34 + 6 )

= 30 + 30 + 40

= 60 + 40 

= 100

Answer 5

23 + 21 + 34 + 7 + 9 + 6 = 100 bạn nha!