Question
What is the missing symbol in the box?
Express your answer as + or - or x or ÷.

10 + 12 [ ? ] 6 ÷ 6 = 23
2 m

Click button first when a symbol is required. X

What is the missing symbol in the box?
Express your answer as + or - or x or ÷.

10 + 12 [ ? ] 6 ÷ 6 = 23