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42=7.6                   70=7.10                                6=42:7                   6=30:5

42=7.6                   70=7.10                                8=48:6                   7=63:9

4.7=28                   7.7=49                   5.7=35                   14:7=2                   56:7=8

6.7= 42                  3.7=21                   7.5=35                   28:7=4                   35:7=5

9.7=63                   2.7=14                   6.6=36                   49:7=7                   63:7=9

5.7=35                   10.7=70                4.1=4                     70:7=10                14:7=2