Question

1+1+1+1

Answer 1

1+1+1+1=

 

Answer 2

\(1+1+1+1\)

\(=1\times4\)

\(=4\)

Answer 3

4

Answer 4

1+1+1+1=4

Answer 5

4

Answer 6

1+1+1+1 = 4

Answer 7

4

Answer 8

4

 

Answer 9

4

Answer 10

4

Answer 11

4

Answer 12

1 + 1 + 1 + 1 = 4

Answer 13

1+1+1+1

=2+1+1

=3+1

=4

 

Answer 14

= 4 nha chị

Answer 15

=4

Answer 16

1+1+1+1=4

Answer 17

1 + 1 + 1 + 1

= ( 1 + 1 ) + ( 1 + 1 )

= 2 + 2

= 4

Answer 18

1+1+1+1 =4