99.99×111.1+666.7×33.33简便计算.
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99.99×111.1+666.7×33.33
=99.99×111.1+666.6×33.33+33.33*0.1
=99.99×111.1+111.1*6*33.33+33.33*0.1
=99.99×111.1+111.1*99.99*2+33.33*0.1
=111.1*99.99*3+33.33*0.1
=333.3*99.99+33.33*0.1
=33.33*999.9+33.33*0.1
=33.33*（999.9+0.1）
=33.33*1000
=33330
=99.99×111.1+666.6×33.33+33.33*0.1
=99.99×111.1+111.1*6*33.33+33.33*0.1
=99.99×111.1+111.1*99.99*2+33.33*0.1
=111.1*99.99*3+33.33*0.1
=333.3*99.99+33.33*0.1
=33.33*999.9+33.33*0.1
=33.33*（999.9+0.1）
=33.33*1000
=33330
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