hyxxllhyxxllhyxxll做1辆车要3个轮子.hyxxll做9辆车需要多少个轮子?hyxxll三轮车辆数123456789轮子个数369121518212427hyxxll3×1=33×2=63×3=93×4=123×5=153×6=183×7=213×8=243×9=27hyxxll你能编出这些口诀吗？hyxxll1×3=3一三得三2×3=6二三得六3×3=9三三得九3...

时间:2024-11-17 14:15栏目:幼儿/小学教育