111..111(2014个1)乘以999...999(2014个9) 怎么简便运算?

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111..111(2014个1)乘以999...999(2014个9)怎么简便运算?111..111(2014个1)乘以999...999(2014个9)怎么简便运算?111..111(2014个1)

111..111(2014个1)乘以999...999(2014个9) 怎么简便运算?
111..111(2014个1)乘以999...999(2014个9) 怎么简便运算?

111..111(2014个1)乘以999...999(2014个9) 怎么简便运算?
11...1(2014)×99...9(2014)=11...1×11...1×9
只能帮你到这里了.

111..111(2014个1)*(999...999(2014个9)+1)-111..111(2014个1)
=111..111(2014个1)000.000(2014个0)