I need to acheive an answer of 20, not 27. Using the 2, -3,-4,+5,+6,+7 or the other solution -2+3+4-5+6+7, I get an answer of 13, where am I going wrong???
I need to acheive an answer of 20, not 27. Using the 2, -3,-4,+5,+6,+7 or the other solution -2+3+4-5+6+7, I get an answer of 13, where am I going wrong???