按键
屏幕显示
976032-4856= 1288÷46×39=
825-138= 11356÷334+983=
789×32=
199998÷9=
299997÷9=
399996÷9=
( )÷9=99999
99×99+199=
999×999+1999=
9999×9999+19999=
......
=