88×99×88×99+88×19988个99×88个99+88个199
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![88×99×88×99+88×19988个99×88个99+88个199](/uploads/image/z/1704638-38-8.jpg?t=88%C3%9799%C3%9788%C3%9799%2B88%C3%9719988%E4%B8%AA99%C3%9788%E4%B8%AA99%EF%BC%8B88%E4%B8%AA199)
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88×99×88×99+88×19988个99×88个99+88个199
88×99×88×99+88×199
88个99×88个99+88个199
88×99×88×99+88×19988个99×88个99+88个199
9*9+19=100
99*99+199=10000
999*999+1999=1000000
1个9 后面接2个0
2个9后面接4个0
3个9后面接6个0
88个9后面接88*2=176
式子答案为1后面接176个0