9999/666+9999

9999/666+9999 9999*1222-3333*666 9999×7778-3333×666 9999×778+3333×666简便 9999* 111+3333* 666jiansuan 9999×9999×9999×9999 666+666+666+9999=?请输入2611782互邀? 巧算 9999*9999*9999 9999×9999+9999 9999+9999+9999+9999+9999一直加9999个 999999×9999×9999×9999=? 9999+8888+777+666+55+44+3+3= 9999乘以2222加上6666乘以666=? 乘法简便运算简便运算9999*778+3333*666 9999×9999+19999＝? 9999*6666+9999*3333 √9999*9999+19999 1999+9999*9999=?