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85问答库 > 周长180厘米,长是55厘米,宽是多少

周长180厘米,长是55厘米,宽是多少

周长180厘米,长是55厘米,宽是多少

2025-04-06 16:36:35

推荐回答（3个）

回答1：

如果是长方形的话，长方形为两条相同长和两条相同宽组成用
55x2=110（两条长的总和）
180-110=70（周长减去两条长的总和剩下的是两条宽的长度）
70➗2=35（两条宽的长度除二等于一条宽的长度）
宽=35 希望对你有帮助～！

回答2：

(180-55x2)÷2
=70÷2
=35
宽是35厘米。

回答3：

设宽x厘米
55+x=180÷2
55+x=90
x=90-55
x=35
答宽35厘米

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