C1 :
216 : ( 8 x 9 )
= 216 : 72
= 3
C2 :
216 : ( 8 x 9 )
= 216 : 8 : 9
= 27 : 9
= 3
C1 :
476 : ( 17 x 4 )
= 476 : 68
= 7
C2 :
476 : ( 17 x 4 )
= 476 : 17 :4
= 28 : 4
= 7
A C1 216:(8*9)
=216:73
=3
C2 216:8:9
=27:9
=3
B. C1 . 476:(17*4
=476:68
=7
C2 . 476:17:4
=28:4
=7
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