Magnetic Number Ball

It's a puzzle game using No. balls, magnetic like.

It's a puzzle game using No. balls, magnetic like.

Please drag and drop balls, and set by the rules below.

1. First, please complete topmost line freely.

2. Next, do as a no. of top left ball plus a no. of top right ball is a no. of bottom ball.

ex)

　①　②

　　③

　 If a no. of top left ball plus a no. of top right ball is over nine, use the one's digit.

ex)

　⑤　⑥

　　①