2 9999 +19999 = = (8/9+1又3/7+6/11)除以(3/11+5/7+4/29999 +19999==(8/9+1又3/7+6/11)除以(3/11+5/7+4/9==越简便越好

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29999+19999==(8/9+1又3/7+6/11)除以(3/11+5/7+4/29999+19999==(8/9+1又3/7+6/11)除以(3/11+5/7+4/9==越简便越好29999+

2 9999 +19999 = = (8/9+1又3/7+6/11)除以(3/11+5/7+4/29999 +19999==(8/9+1又3/7+6/11)除以(3/11+5/7+4/9==越简便越好
2 9999 +19999 = = (8/9+1又3/7+6/11)除以(3/11+5/7+4/
2
9999 +19999
=
=
(8/9+1又3/7+6/11)除以(3/11+5/7+4/9
=
=
越简便越好

2 9999 +19999 = = (8/9+1又3/7+6/11)除以(3/11+5/7+4/29999 +19999==(8/9+1又3/7+6/11)除以(3/11+5/7+4/9==越简便越好
10000+20000—2=29998