33乘以3333加9999乘以8889的简便法怎么算

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33乘以3333加9999乘以8889的简便法怎么算33乘以3333加9999乘以8889的简便法怎么算33乘以3333加9999乘以8889的简便法怎么算33乘以3333加9999乘以8889=99

33乘以3333加9999乘以8889的简便法怎么算
33乘以3333加9999乘以8889的简便法怎么算

33乘以3333加9999乘以8889的简便法怎么算
33乘以3333加9999乘以8889
=9999x11+9999x8889
=9999x(11+8889)
=(10000-1)x8900
=89000000-8900
=88991100

33乘以3333加9999乘以8889
=9999x11+9999x8889
=9999x(11+8889)
=(10000-1)x8900
=89000000-8900
=88991100