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因為小正方形的周長為8分米,所以小正方形的邊長為2分米 囙此,拼成的長方形是長為11*2=22分米,寬為2分米 周長C=2(長+寬)=2(22+2)=48(分米) 面積S=長*寬=22*2=44(平方分米)
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