0.4：0.25=12/x1y7M9o4n1j4N6d8Y
算式：提示'l;U/k:[.E*V1J;v1y7M9o4n1j4N6d8Y
x=9s:i(w1O9c1Q3k:y8~7|7v-X1y7M9o4n1j4N6d8Y