(31°40′-25°4′30〃)×3+28′3〃×2等于多少
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 21:42:05
![(31°40′-25°4′30〃)×3+28′3〃×2等于多少](/uploads/image/z/993617-17-7.jpg?t=%2831%C2%B040%E2%80%B2-25%C2%B04%E2%80%B230%E3%80%83%29%C3%973%2B28%E2%80%B23%E3%80%83%C3%972%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91)
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(31°40′-25°4′30〃)×3+28′3〃×2等于多少
(31°40′-25°4′30〃)×3+28′3〃×2等于多少
(31°40′-25°4′30〃)×3+28′3〃×2等于多少
(31°40′-25°4′30〃)×3+28′3〃×2
=6°35′30〃×3+56′6〃
=19°46′30〃+56′6〃
=20°42′36〃
20°42′36〃