Page 61 - flip prime 2 second term
P. 61

Numbers of rows … __ + __ = __
                          Numbers of columns …
                           ____ + ____ + ___ + ___ = ___

               Numbers of rows … ___ + ___ + __ = __
              Numbers of columns … …….
               ____ + ___ = ____

Numbers of rows ….. _____ + _____ + ____ = ____
Numbers of columns ….. __+ __ + __+ __ +__ = ___

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