What number will solve the problem?
X
x
Y
=
Z
7
8
9
4
5
6
1
2
3
0
clear
go!
Play Again
Settings
Name:
Focus number (opt):
Top number (opt):
Choose problem type:
Missing number
End result number
Choose operator:
Addition => +
Subtraction => -
Multiplication => *
Division => /
DONE
