3.14乘28除以2等于几

3.14乘28除以3等于几...3.14乘28除以3等于几

3.14乘2除以23等于几...3.14乘2除以23等于几

3.14乘2除以2×2等于几...3.14乘2除以2×2等于几

28.26乘以3除以3.14等于几...28.26乘以3除以3.14等于几

3.14乘20×50除以2等于几...3.14乘20×50除以2等于几

3.14乘6×8除以2等于几...3.14乘6×8除以2等于几

3.14乘6×25除以2等于几...3.14乘6×25除以2等于几

3.14乘36×4除以2等于几...3.14乘36×4除以2等于几

3.14乘25×15除以2等于几...3.14乘25×15除以2等于几

3.14乘12×20除以2等于几...3.14乘12×20除以2等于几