999...98(1997个9)*999...98(1997个9)+999...98(1997个9)*2的末尾有多少个0
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999...98(1997个9)*999...98(1997个9)+999...98(1997个9)*2的末尾有多少个0999...98(1997个9)*999...98(1997个9)+999...
999...98(1997个9)*999...98(1997个9)+999...98(1997个9)*2的末尾有多少个0
999...98(1997个9)*999...98(1997个9)+999...98(1997个9)*2的末尾有多少个0
999...98(1997个9)*999...98(1997个9)+999...98(1997个9)*2的末尾有多少个0
999...98(1997个9)不用看它,看第1,2,3个999...98的8,8*8是81,81+8是89,89*2是178,178就是999...98(1997个9)*999...98(1997个9)+999...98(1997个9)*2的末尾,所以,一个0也没
999...98(1997个9)*999...98(1997个9)+999...98(1997个9)*2的末尾有多少个0
化简999...999(2008个9)*999...999(2008个9)+199...999(2008个9)
999...9(1997个9)*999...9(1997个9)+1999...9(1997个9)的末尾有多少个零?
999...9×999...9+1999...9的末尾有多少个0...是1997个9
99...98(1997个9)×99.98(1997个9)+1998...98*2(1997个9)末尾有多少个零
111..111(2014个1)乘以999...999(2014个9) 怎么简便运算?
1997个9X1997个9+1997个9的末尾共有【 】个零
999...99(有1997个9)*999...9(有1997个9)+1999...99(有1997个9)的末尾有( )0
98+998+9998+...+999...98(50个9)
999……9(1997个9)×999……9(1997个9)+199……9(1997个9)末尾有几个零
999...9x999...9+1999...9的末尾共有多少个0?注(都有1997个9)
999···9(1997个9)*999···9(1997个9)+1999···9(1997个9)的末尾有多少个零
1997个9x1997个9+1997个9的末尾一共有几个零^ω^
第③题是:999…9(1997个9)×999…9(997个9)+1999…9(1997个9)的末第③题是:999…9(1997个9)×999…9(997个9)+1999…9(1997个9)的末尾共有几个0.
999...9(1998个9)*999...9(1998个9)+1999...9(1998个9)=?简便计算
计算:999...9(n个9)*999...9(n个9)+1999...9(n个9)
计算:1999...9(n个9)*999...9(n个9)+1999...9(n个9)
999……9×999……9+1999……9的末尾共有( )个0999……9×999……9+1999……9的末尾共有( )个01997个9 1997个9 1997个9