Question

20+10×2

Answer 1

\(20+10.2\)

\(=20+20\)

\(=40\)

Answer 2

=40

Answer 3

`20 + 10 xx 2`

`=20+20`

`= 40`

Answer 4

40

Answer 5

40

Answer 6

   20 + 10 x 2

= 20 +      20

=         40

Answer 7

 

 

 

20+20

40

 

 

Answer 8

=40

Answer 9

40

 

Answer 10

40

Answer 11

= 20+20

= 40

Answer 12

20+10=30

30x2=60

Answer 13

nhầm

Answer 14

10x2=20

20+20=40

nhân chia trước cộng trừ sau

Answer 15

20+10x2=20+20=40