作业帮999999999×888888888 / 111111111简便运算
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999999999×888888888 / 111111111简便运算
999999999×888888888 / 111111111
简便运算
999999999×888888888 / 111111111简便运算
999999999×888888888 / 111111111
= 999999999*(888888888 / 111111111)
=(1000000000-1)*8
=1000000000*8-8
=8000000000-8
=7999999992
999999999×888888888 / 111111111
=999999999×8
=(1000000000×8)-8
=7999999992
999999999×888888888 / 111111111
= 999999999×(888888888 / 111111111)
= 999999999×8
=(1000000000-1)×8
=1000000000×8-8
=8000000000-8
=7999999992
999999999×888888888÷666666666
999999999×888888888 / 111111111简便运算
1+22+333+4444+55555+666666+7777777+888888888+999999999=
999999999+999999999-999999999*999999999/999999999
999999999减999999999加999999999除999999999
999999999×999999999÷999999999+1=
111111111*999999999
999999999+111111111
1+999999999
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