Type value and select add
Type value :
For example, 8
, -9
, or +2
should be valid choices. You can also start over
if it looks like something went wrong.
xxxxxxxxxx
"Expression : 0"
xxxxxxxxxx
xxxxxxxxxx
↩ click here for additional information
xxxxxxxxxx
↩ click here for exercise material
xxxxxxxxxx
"✓"
xxxxxxxxxx
"✓"
xxxxxxxxxx
"✓"
xxxxxxxxxx
"✓"
xxxxxxxxxx