&\r(1) 2 0 -( )=20 (2) 2 0 -( ) =0\r2 0 -( ) = 15 2 0 -(" /> &\r(1) 2 0 -( )=20 (2) 2 0 -( ) =0\r2 0 -( ) = 15 2 0 -(" />

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沪教版一年级数学上册全册教案

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÷øùVúËô@û ä¯aY^,\rýþ²^‘ÿ 0\r@P`p 4?p5\r1\r?p??????p? !"0\r2?#?$%&\r'()*+\rp,-.?p?/012'3456\r789:;<=>&\r(1) 2 0 -( )=20 (2) 2 0 -( ) =0\r2 0 -( ) = 15 2 0 -( ) =5\r2 0 -( ) = 10 2 0 -( ) =10\r2 0 -( ) @ 5 2 0 -( ) =15\r2 0 -( ) = 0 2 0 -( ) =20\r@\r`p9\r1?12 ?\nP?p?BC.\r2?9D&18+E=20\rGH&E?!IC JKLMNC\r2O&18+E= 20 0=20-12\r9 D :17- E= 12\rGH&E?!QC JKLMNC\r2O&17-E= 12 0=17-12\rGRS&\n?pTU7VWXYZ[\]0\r3?^?^_`]abcbd0efgh+ip0\r@j`?p 6\r1?9Dpk?lp?12mn69op0\r2?12789:;<=>&\r2+2+2+2+2+2+2=14\r2X7=14\rqr12stuvwxyz{w?|}~p?E€69op0\r@`p 10\r1?‚\nƒpk„…C\r2?†9XY‡ˆYp‰?Šw‹!Œ0\r@`Ž0\r‘12|}.{p?’“pS”•–—160\rP?˜S&\r™š›#œKžŸC ¡0

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