一条小路长90米,小红走了150步,平均每步多少厘米?:K7Y4{,B:w8_2F1Z8_-d2k)J
算式:提示1h9E6A5U:K7Y4{,B:w8_2F1Z8_-d2k)J
答:平均每步走+R9Q6{4_._(]1B0w+H5j厘米。:K7Y4{,B:w8_2F1Z8_-d2k)J