狗追狐狸,狗跳一次前进1.8米,狐狸跳一次前进1.1米,狗每跳两次时,狐狸恰好跳三次,如果开始时狗离狐狸30米,那么狗跑多少米才能追上狐狸?0B4m6o6]9k'i2i4p5P4G:d6F,D1u
算式:提示*a.o(R+}'H(S)H0B4m6o6]9k'i2i4p5P4G:d6F,D1u
答:狗跑'};t5I1q.K3D/h米才能追上狐狸。0B4m6o6]9k'i2i4p5P4G:d6F,D1u