Question

Use digit 1,2,3,4 and 5 to make 16,26,12.13 and 15 ?

Answer 1

See below for some possibilities.

Explanation:

`16=color(blue)(4^2)`

`26=color(blue)(4^2+5xx(3-1))`

`12=color(blue)(3xx4)`

`13=color(blue)(3xx4+1)`

`15=color(blue)(3xx5)`