1.x1001－2／6X－5＝3／4－X
x1002／6X＋X＝3／4＋5－1
x100x100x100x100x1004／3X＝19／4
x100x100x100x100x100x100x100X＝19／4×3／4
x100x100x100x100x100x100x100X＝57／16
2.x100X／0.2＋4－X／0.5－3＝1
x100x100x100x100x100x100x1005X－2X＝1＋3－4
x100x100x100x100x100x100x100x100x100x100x100x1003X＝0
x100x100x100x100x100x100x100x100x100x100x100x100x100X＝0
3.x100X／5＋4－X＋5＝X／3＋3－X／2－2
x100X／5－X＋9＝X／3－X／2＋1
x100x100x100x1009－4／5X＝1－1／6X
x100x1004／5X－1／6X＝9－1
x100x100x100x100x10019／30X＝8
x100x100x100x100x100x100x100x100X＝240／19
4.x1000.1／0.3X－2＋3／0.4－0.7X＝1
x100x100x100x100x100x1001／3X－7／10X＝1＋2－30／4
x100x100x100x100x100x100x100x100x100x100x100－11／30X＝－9／2
x100x100x100x100x100x100x100x100x100x100x100x10011／30X＝9／2
x100x100x100x100x100x100x100x100x100x100x100x100x100x100x100x100X＝135／11
太想帮你了,但是我又有点事时间实在不够了,所以只能copy别人的了