My kid's git the following as his homework - the problem is to fill in arithmetic operators between eight digits 7 to get 820, that is:
7_7_7_7_7_7_7_7=820
This drives me mad, but I myself cannot find the answer!
My kid's git the following as his homework - the problem is to fill in arithmetic operators between eight digits 7 to get 820, that is:
7_7_7_7_7_7_7_7=820
This drives me mad, but I myself cannot find the answer!
Try this:
$777+(7\cdot7)-7+(7/7)=...$