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长方形的周长

长方形的周长. 6. 在钉子板上用线围成下图那样的长方形.量量它的长 和宽各是多少厘米.围成这个长方形要用多长的线?. 7. 一个长方形,长 6 厘米,宽 4 厘米.它的周长是多少厘米?. 4 厘米. 6 厘米. 7. 一个长方形,长 6 厘米,宽 4 厘米.它的周长是多少厘米?. 4 厘米. 6 厘米. 请点击人物. 下一步. 7. 一个长方形,长 6 厘米,宽 4 厘米.它的周长是多少厘米?. 4 厘米. 6 厘米. 6 + 4 + 6 + 4 = 20 (厘米). 返回. 7. 一个长方形,长 6 厘米,宽 4 厘米.它的周长是多少厘米?.

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长方形的周长

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  1. 长方形的周长

  2. 6 在钉子板上用线围成下图那样的长方形.量量它的长 和宽各是多少厘米.围成这个长方形要用多长的线?

  3. 7 一个长方形,长6厘米,宽4厘米.它的周长是多少厘米? 4厘米 6厘米

  4. 7 一个长方形,长6厘米,宽4厘米.它的周长是多少厘米? 4厘米 6厘米 请点击人物 下一步

  5. 7 一个长方形,长6厘米,宽4厘米.它的周长是多少厘米? 4厘米 6厘米 6+4+6+4=20(厘米) 返回

  6. 7 一个长方形,长6厘米,宽4厘米.它的周长是多少厘米? 4厘米 6厘米 6×2+4×2=20(厘米) 返回

  7. 7 一个长方形,长6厘米,宽4厘米.它的周长是多少厘米? 4厘米 6厘米 (6+4)×2=10×2=20(厘米) 返回

  8. 7 一个长方形,长6厘米,宽4厘米.它的周长是多少厘米? 6+4+6+4=20(厘米) 6×2+4×2=20(厘米) (6+4)×2=20(厘米) 谁的算法比较简便?

  9. 中央电教馆资源中心制作 2003.11

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