1、四年级数学下册简便计算专项练习题大全76221252522125(84)35359910016666333867388799925(36+4)558100155885999857225171444417125(84)858569501989882701870359925(12+4)17310011735595556125111111111125(86)4040194015050701130114099925(16+4)13211132319318025471171747125(82)111169601383831256925499925(36+4)42611426879878125591212
2、159125(84)19196930129294784538459100125(24+4)13411134459994532125231929223125(82)7171591011717855615568199925(20+4)53611536949999440125831686883125(82)292929501333334606660169925(20+4)16710011676199614825551585855125(86)111119801535398372376299925(16+4)26810126864996424125771838377125(82)78782980192
3、929455655149925(12+4)333101333719717225231404023125(810)191997018181404860487710125(12+4)5761157638999388025791606079125(88)22225990127272544754454100125(20+4)1871001187969964025691505069125(86)6060194018686263274325010125(16+4)30511305779776425451666645125(810)565659101868672493243410125(28+4)54311
4、54330993080125121616112125(82)50505930114142772737290100125(24+4)1411001141699996972125331282833125(82)909079601282845455545799925(20+4)2761012764499448125671535367125(82)26269980120209458658969925(8+4)218112183793764125881939388125(82)84849901404089621162559925(12+4)470100147083999838025901494990125(86)1515191014747479753978410125(36+4)2851128556995672125361373736125(86)67676910157574465566533100125(28+4)1851011858699867225841989884125(84)96965990185855279487966100125(36+4)582100158255999558125