This is a question about the greatest common multiple. The greatest common multiple of 12 and 8 is 4.
The answer is:
1, the longest side of a square is 4 cm.
2, a * * * can be cut into six such squares.
12*8=96 (square centimeter), 4*4= 16 (square centimeter), 96/ 16=6 (pieces)
Come on!