计算：+?'C1l-b6A6N9q,\9T(E(A
100＋99－98＋97－96＋…＋3－2＋1+?'C1l-b6A6N9q,\9T(E(A
算式：提示*t*P.F,w*x.o/l8R6R4|+?'C1l-b6A6N9q,\9T(E(A
=/M:M+}9p2O6a0o+?'C1l-b6A6N9q,\9T(E(A