(123456+234561+345612+456123+561234+612345)÷7巧算
(123456+234561+345612+456123+561234+612345)÷7巧算
(123456+234561+345612+456123+561234+612345)÷7
(123456+234561+345612+456123+561234+612345)/7
奥数题请高手解答(123456+234561+345612+456123+561234+612345)÷7=111111
123456+234561+345612+456123+561234+612345.
(123456+234561+345612+456123+561234+612345)/6
1.123456+23456+345612+456123+561234+612345=?
234561/123456和23456+456789/123456+456789哪个大?
8400÷124×31(巧算)
750÷75+750÷25(巧算)
960÷(24×8)(巧算)(递等式)
巧算:(4.8×7.5×8.1)÷(2.5×2.7×2.4)