能,
理由是:用模板连续画19个19°的角,得到361°的角,去掉360°的周角,即得到1°的角.
现有一块19°的“模板”(如图),你能否设计一种方法,只用这块“模板”和铅笔在纸上画出1°的角来?若能,请你简述画图步骤;若不能,请你说明理由.
现有一块19°的“模板”(如图),你能否设计一种方法,只用这块“模板”和铅笔在纸上画出1°的角来?若能,请你简述画图步骤;若不能,请你说明理由.
数学人气:623 ℃时间:2019-08-26 07:21:27
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