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北师大小学数学二年级上册 PowerPoint PPT Presentation


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北师大小学数学二年级上册. 月球旅行. 兴工小学 付嵩. 第一课时. 月球概况.

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北师大小学数学二年级上册

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  • 4660-651000100034761/41/4973501/811/6


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  • 2958788


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  • 15 ()


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  • 384,400 363,300 405,500 2774311.559 1.023/ 28.5818.28(5.145) ~384 400


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  • 3,476.2 3,472.0 3.97610^72.19910^10 7.34910^22 3.350 1.62 m/s2 (1/6) 2774311.559 16.655 /(t) -233~123 -231.310-10


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9:15

9:35


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8

10

6


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8

10

6

28=16(

8+8=16(

102=20(

20+6=26

38=24(

26=12(

12+10=22(

38=24(


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