四年级下册数学简便算法练习题.doc

青岛版小学四年级下册数学简便算法练习题姓名得分158+262+138=375+219+381+225=5001-247-1021-232=(181+2564)+2719=378+44+114+242+222=276+228+353+219=(375+1034)+(966+125)=(2130+783+270)+1017=99+999+9999+99999=7755-(2187+755)=2214+638+286=3065-738-1065=899+344=2357-183-317-357=2365-1086-214=497-299=2370+1995=3999+498=1883-398=12×25=75×24=138×25×4=(13×125)×(3×8)=(12+24+80)×50=简便计算练习题2704×2525×32×12532×(25+125)88×125102×7658×98178×101-17884×36+64×8475×99+2×7583×102-83×298×199123×18-123×3+85×12350×(34×4)×325×(24+16)178×99+17879×42+79+79×577300÷25÷48100÷4÷7516800÷12030100÷210032000÷40021500÷12549700÷7001248÷243150÷154800÷25简便计算练习题32356-(1356-721)1235-(1780-1665)75×27+19×2531×870+13×3104×(25×65+25×28)第一种(300+6)x12              25x(4+8)125x(35+8)(13+24)x8 第二种 84x101504x2578x10225x204   第三种 99x6499x16638x99999x99   第四种 99X13+1325+199X2532X16+14X3278X4+78X3+78X3  第五种 125X32X825X32X12588X12572X125简便计算练习题4第六种  3600÷25÷48100÷4÷753000÷125÷81250÷25÷5 第七种  1200-624-762100-728-772273-73-27847-527-273  第八种 278+463+22+37732+580+2681034+780320+102425+14+186   第九种 214-(86+14)787-(87-29)365-(65+118)455-(155+230)  第十种 576-285+85825-657+57690-177+77755-287+87  第十一种 871-299157-99363-199968-599   第十二种178X101-17883X102-83X217X23-23X735X127-35X16-11X35  简便计算练习题5容易出错类型(共五种类型)  600-60÷15                  20X4÷20X4736-35X20                 25X4÷25X4 98-18X5+25                 56X8÷56X8280-80÷4                   12X6÷12X6    175-75÷25