Current location - Training Enrollment Network - Mathematics courses - Math puzzle: take the gold chain skillfully.
Math puzzle: take the gold chain skillfully.
Take the third one in the first week.

The second week, the third week for the first two weeks.

Take the third exam in the third week.

In the fourth week, I traded my three hands for the remaining four.

Take the third one in the fifth week.

In the sixth week, trade the third for the first two.

Eat the last one in the seventh week.