Question

Each expression has the value 100 when n = 10. What could the missing numbers be? Think of at least two possibilities for each. a) × (n − ) b) ( − n) × + n

Answer 1

Answer:

a.

n=10

2×[10-(-40)]

=2×50

=100

b.

([100-10]×1)+10

=90+10

=100