二年级数学下册七《时分秒》淘气的作息时间练习北师大版.doc

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1淘气的作息时间轻松准备1填一填。(1)从 7:00到 11: 00,一共经过了_时。(2)从 10:15 到 10:45,一共经过了_分。(3)从 7:10到 7:55,一共经过了_分。(4)从 7:50到 8:15,一共经过了_ 分。2写出下面钟面所表示的时刻,并算出中间经过的时间。快乐学习3填一填。 2分( )秒 3 时( )分1时 10分( )分 1 时 5分( )分1分 15秒( )秒 1 分 8秒( )秒70秒( )分( )秒 65 秒( )分( )秒75分( )时( )分 68 分( )时( )分4把“” “ 5. (1)8:00 8:25 (2)7:00 7:306.3 2010(1)7:30 (2)9: 3511. 9:273

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