一艘宇宙飞船5秒航行60千米,照这样计算,13秒航行了多少千米?6K5J(i5h,J)U3c7f-C'M)N
算式:提示9e6G;T1M7y(R3F3O7g(U2J:F/H8C6Q0x;o6K5J(i5h,J)U3c7f-C'M)N
答:13秒航行了;O:C.E2}-l千米6K5J(i5h,J)U3c7f-C'M)N