(567+354*566)/(567*345+222)=?
567*345+222分之566*345+567
(567+345*666)/(567*345+222)
566×345+567除以567×345+222,要求简算.快速.要写出简算过程.
567*345+(567-222)怎样算
计算:567+345×566567×345+222
123*345/567/123*567/345(计算,
123+234+345+456+567+678=?
123+234+345+456+567=?
123+234+345+456+567=
123×345÷567÷123×567÷345
123+234+345+456+567+678+789+900=?
123+234+345+456+567+678=?求简便算法