Solution

35661

First name
Akshay Velraj
School
Whiteknights Primary School
Country
Age
9

For 12 - A square root of 4 added to another square root of four is equal to 4, then add the remaining fours.

For 15 - 4 multplied by 4 is equal to 16,then minus four divided by four in BRACKETS which is 1,16 minus 1 is equal to 15.

For 16 - 4 added to four, added to four added to another four is equal to sixteen.

For 17 - 4 multpilied by four is equal to 16, divide four by four in BRACKETS which is one and then 16 minus 1 is equeal to 15.