8-1/5×5/7÷4*A6~0~2z/Q6C2v;V4Q-[
算式:提示-~*l)h:`)T.|3b9v2r*A6~0~2z/Q6C2v;V4Q-[
=7-?2K-f'V+P2y6U5k*B3Z*A6~0~2z/Q6C2v;V4Q-[