1、四年级数学下册简便计算专项练习题大全140691333369125(86)5656592017676505250525310125(24+4)3831013835995964125241686824125(84)888839901181875642564349925(8+4)289100128980998032125111838311125(88)242419201838345796578299925(8+4)46810014684994916125791343479125(82)212169401979757764376829925(12+4)236112367799778025401171
2、740125(810)5858599012929223778372410125(4+4)5941001594129991248125591848459125(810)21214980150506764336436100125(36+4)36411364839831625821979782125(88)32322990122229596596279925(16+4)203100120386999865625551535355125(86)87876910195953371677146100125(8+4)596115967097064125591949459125(86)363649701575
3、7884912497210125(8+4)13110113194999941625131505013125(86)50504950167678249224519925(24+4)186100118614999148125851989885125(88)1313195015656726628666199925(12+4)273101273919918125341555534125(86)5757798016969772523253399925(24+4)3141001314179991764125771848477125(88)5858695019090199581958299925(32+4)
4、5021150282999824025761757576125(810)41417990125252286788648100125(12+4)1391011392699264025351212135125(82)171739801232362773877339925(8+4)2941129419999191625321525232125(88)222259201131392828822399925(40+4)31311313759997532125621646462125(84)90906980177771095909566100125(4+4)555100155561961825761363676125(84)858539101191931116911349925(20+4)5941001594949945625461151546125(810)65653990113132293789386100125(40+4)188101188729724025431737343125(84)12128940117172632743221100125(4+4)45810014581199118125