9+29+299+3999+49999我要简便算式

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9+29+299+3999+49999我要简便算式9+29+299+3999+49999我要简便算式9+29+299+3999+49999我要简便算式9+29+299+3999+49999=10-1+

9+29+299+3999+49999我要简便算式
9+29+299+3999+49999我要简便算式

9+29+299+3999+49999我要简便算式
9+29+299+3999+49999
=10-1+30-1+300-1+4000-1+50000-1
=50000+4000+300+30+10-5
=54340-5
=54335

9+29+299+3999+49999
=10-1+30-1+300-1+4000-1+50000-1
=54330+10-5
=54335

10+30+300+4000+50000-5=54331-5=54326