汽车车轮的半经为0.3m,它滚动一圈前进多少米?滚动1000圈,前进多少米?

汽车车轮的半经为0.3m,它滚动一圈前进多少米?滚动1000圈,前进多少米? 汽车车轮的半经为0.3m它滚动一圈前进多少米?动1000圈前进多少米? 汽车车轮的半径为0.3m.它滚动一圈,前进多少米?滚动1000圈,前进多少米? 汽车车轮的半径为0.3m,他滚动一圈前进多少米?滚动100圈前进多少米? 汽车车轮的半径为0.25米,它滚动一圈前进多少米 滚动500圈前进多少米? 汽车车轮的半径为0.3m,它滚动1圈前进多少米?滚动1000圈,前进多少米? 圆周长 汽车车轮的半径为0.3米,它滚动一圈前进多少米?滚动1000圈前进多少米? 汽车车轮的半径为0.3m,它滚动1圈前进多少米 汽车车轮的半径为0.3m,它滚动1圈前进多少米 汽车车轮的半径力0.3,它滚动一圈前进多少米? 一辆汽车车轮的直径是0.5m,它滚动一圈前进多少m?它滚动1000圈前进多少m? 一辆汽车车轮的直径是0.5m,它滚动一圈前进多少m? 它滚动1000圈前进多少m? 汽车车轮的半径为0.3m,它滚动1圈前进多少米?滚动1000圈呢,前进多少米 汽车车轮的半径为0.3米,它滚动1圈前进米?滚动1000圈,前进多少米? 有一种汽车车轮的半径是0.3米.它滚动一圈前进多少米?滚动50米前进多少米?5分钟 快急啊 一个汽车车轮的半径是0.5米,它滚动一圈前进多少米 汽车车轮的半径为0.4m,它滚动一周前进多少米?滚动100圈呢? 汽车车轮的半径为0·3m,它滚动1圈前进多少?1000圈呢?