Question

1+1=

2+1=

1+2=

3+1=

1+3=

ai giai duoc ket ban nhe

Answer 1

2

3

3

4

4

Answer 2

1+1=2

2+1=3

1+2=3

3+1=4

1+3=4

Answer 3

1 + 1=2

2 + 1=3

1 + 2=3

3 + 1=4

1 + 3=4

Answer 4

1+1=2

2+1=3

1+2=3

3+1=4

1+3=4

ko cần k đâu bn 

giúp nhau thôi

Answer 5

1+1=2

2+1=3

1+2=3

3+1=4

1+3=4

Answer 6

1+1=2

2+1=3

1+2=3

3+1=4

1+3=4

Answer 7

1+1=2

2+1=3

1+2=3

3+1=4

1+3=4

kbn

Answer 8

1+1=2, 2+1=3,1+2=3,3+1=4,1+3=4