1只猫1分钟捉5只老鼠，照这样计算，2只猫3分钟捉几只老鼠？3X2`1?+T3L0i4p+I
算式：提示:v']5P/d/E1\4{.U5f3X2`1?+T3L0i4p+I
答：2只猫3分钟捉(V4j)\0_9V;v3z9q4S6W,T只老鼠。3X2`1?+T3L0i4p+I