Question

1+2=21
2+33=36
3+4=43
4+5=?​

Answer 1

Answer:

4+5=9

Step by Step

1+2=21

2+33=36

3+4=43

so 4+5=9

Answer 2

4 + 5 = 58  if 1 + 2 = 21 2 + 3 =36 3 + 4 = 43

Step-by-step explanation:

One solution

1 + 2  = 12 + 9  =    21

2  + 3  = 23  + 13 = 36

3 + 4 = 34  + 9  =   43

4 + 5 = 45  +  13  = 58

a + b  = ab  + 9  / 13 alternatively

Another way

1 + 2 =  21  + 0   = 21

2 + 3 = 32  + 4  = 36

3 + 4  = 43  + 0  = 43

4 + 5  = 54  + 4  = 58

a + b  = ba  + 0 /4 alternatively

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