Basic Arithmetic
Which horizontal row has three numbers (which may or may not be all next to each other) that add up to 10?
Which row has three numbers (which may or may not be all next to each other) that add up to 15?
Which column has three numbers (which may or may not be all next to each other) that add up to 10?
Which column or row has three numbers (which may or may not be all next to each other) that add up to 10?
Which column has three numbers (which may or may not be all next to each other) that add up to 20?