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一根铁丝围成一个边长为12.56分米的正方形,如果把它围成一个圆,圆的半径为几分米
一根铁丝围成一个边长为12.56分米的正方形,如果把它围成一个圆,圆的半径为几分米
2025-03-30 22:07:24
推荐回答(2个)
回答1:
π分之25.12
回答2:
r=12.56/2x3.14=2分米
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