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1、数学简便算法练习题姓名158+262+138375+219+381+22550012471021232(181+2564)+2719378+44+114+242+222(375+1034)+(966+125)99+999+9999+999992214+638+286899+344276+228+353+219(2130+783+270)+10177755(2187+755)306573810652357183317357236510862144972992370+19953999+498188339812257524138254(13125)(38)(12+24+80)507042525321
2、2532(25+125)881251027658981781011788436+64847599+275831028329819912318 1233+8512350(344)325(24+16)17899+1787942+79+795773002548100475168001203010021003200040021500125497007001248243150154800252356(1356721)1235(17801665)7527+192 531870+133104(2565+2528)(300+6)x1225x(4+8)125x(35+8)(13+24)x884x101504x2578x10225x20499x6499x16638x99999x9999X13+1325+199X2532X16+14X3278X4+78X3+78X3125X32X825X32X12588X12572X125此文档可自行编辑修改,如有侵权请告知删除,感谢您的支持,我们会努力把内容做得更好