# math

posted by
**Karinna**
.

input:1 output:49

input:2 output:48

input:3 output:47

what is the rule?

p.s.please answer this question. i need the answer right now.

posted by
**Karinna**
.

input:1 output:49

input:2 output:48

input:3 output:47

what is the rule?

p.s.please answer this question. i need the answer right now.