9.5+4.85-6.13怎么简便算

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9.5+4.85-6.13怎么简便算

9.5+4.85-6.13怎么简便算
9.5+4.85-6.13怎么简便算

9.5+4.85-6.13怎么简便算
9.5+4.85-6.13
=9.5+4.85-(6+0.13)
=(9.5-6)+(4.85-0.13)
=3.5+4.72
=8.22

9.5+4.85-6.13
=9.5+4.85-(6+0.13)
=(9.5-6)+(4.85-0.13)
=3.5+4.72
=8.22