Copyright © University of Cambridge. All rights reserved.

'Times Right' printed from http://nrich.maths.org/

Show menu


Fill these boxes with the digits 1, 2, 3, 4, 5, 6, 7 and 8 using each digit only once, so that the expression is correct. How many different solutions can you find?

Is it possible to do this with the digits 0 to 7? What about using the digits 2 to 9?