Question

There are just two waysin which 5 may be expressed as the sum of two different positive (non-zero) intergers, namely 5=4+1=3+2. In how many ways 9 can be expressed as the sum of two different positive (non-zero) intergers?​

Answer 1

Answer:

9= 6+ 3

9= 5+4

9= 8+1

9= 7+ 2

Step-by-step explanation:

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