计算：(B'q,Q*v9f'J*D(g9}
9999×9999+19999(B'q,Q*v9f'J*D(g9}
算式：提示3l)c6c9B+[,F6W)~3?1T9?5\.I(B'q,Q*v9f'J*D(g9}
=8X3Y1D0R2?+t0i*b2l(B'q,Q*v9f'J*D(g9}