From the above examples, experiments and rotate. Or flip the square table obtained from the mathematical operations according to the walking of the clock. The group that executed rotate or flip 8, and the group that tossing in the variousThe group decided to study cheilosis square table, that is, A modelB C D
, and sample rotation and flipping the square table of executed by the addition of a digit 0 1 2 3,,,,,,
4 5 6
square table of executed by multiplication. Of the digit 0 1 2,,,,,, 3 4 5 6
model A not rotating square table
.Rotation angle model B square table 90 degrees
model C rotation angle square table 180 degrees
model D rotation angle square table 270 degrees
.The format changed from rotating or flipping the square table of mathematical operation according to the characteristics of walking of the clock. See, the group has formed a different 4 format..
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