1111*5555*9999+3333*3333*4445

问题描述:

1111*5555*9999+3333*3333*4445

1111*5555*9999+3333*3333*4445=1111x9999x5555+1111x3x3333x4445=1111x9999x(5555+4445)=1111x9999x10000=11110000x(10000-1)=11110000x10000-11110000=111100000000-11110000=111088890000