计算：'B.e8P'D.[*S.C0k-o6c5c9C2s
7142.85÷3.7÷2.7×1.7×0.7'B.e8P'D.[*S.C0k-o6c5c9C2s
算式：提示7j/n9V*A1}*m5}2X.q,|.\'B.e8P'D.[*S.C0k-o6c5c9C2s
=/u5o3W(g;q2f1H/P(N(A5Q7@'B.e8P'D.[*S.C0k-o6c5c9C2s