37/1乘以22/7乘以73/1减37/1的差除以121/1

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37/1乘以22/7乘以73/1减37/1的差除以121/137/1乘以22/7乘以73/1减37/1的差除以121/137/1乘以22/7乘以73/1减37/1的差除以121/137/1乘以22/7

37/1乘以22/7乘以73/1减37/1的差除以121/1
37/1乘以22/7乘以73/1减37/1的差除以121/1

37/1乘以22/7乘以73/1减37/1的差除以121/1
37/1乘以22/7乘以73/1减37/1的差除以121/1
[37X(22/7)X73-37]/121
=[37(1606/7-1)]/121
=[37(1606/7-7/7)]/121
=37X 1599/7X121
=59163/847
=69又720/847