Current location - Training Enrollment Network - Mathematics courses - Mathematics of placing chess pieces
Mathematics of placing chess pieces
2. From the moment, we can know that when the left and right moments are equal, they will be balanced, that is, the moment on the left should be 3x 10=30, so the left should put 10 on the scale of 3, 6 on the scale of 5, or 30 on the scale of 1.

3. Balance time: the number of left pieces x the left scale = the number of right pieces x the right scale, which can solve the first two problems.