计算：;P*\7O,r8t'B)Q-J2M(x,~2@
17×19＋93÷19－10×17＋40÷19;P*\7O,r8t'B)Q-J2M(x,~2@
算式：提示8e'd9J-K7K;w1b5G*N,Q;P*\7O,r8t'B)Q-J2M(x,~2@
＝5@5d'`.M)P;P*\7O,r8t'B)Q-J2M(x,~2@