四年级下册数学简便算法练习题.doc

四年级下册数学简便算法练习题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