四年级数学下册简便计算专项练习题145.docx

1、四年级数学下册简便计算专项练习题145491515149125(86)636349501404027357335179925(32+4)4951149574999745625501555550125(810)30301920136368228182872100125(4+4)37310013739999999825271919127125(82)565629601121287681368489925(8+4)5901159074999746425441828244125(84)31316970185859417617269925(12+4)234112347299728125841595984

2、125(810)606019100177775372477262100125(16+4)5341001534869868125711252571125(810)272779301575716978497799925(40+4)13611136669668125421595942125(88)5454295013939265674562699925(16+4)5831001583359993580125511868651125(88)73736950185854867526796100125(20+4)56610156633993356125141252514125(82)58587950159

3、59114789474199925(20+4)32110013211491448125691878769125(810)878769901999994906909410125(24+4)3381001338519995156125601636360125(810)8787595012828647336739399925(40+4)565115658698672125211595921125(82)72729930162625670447083100125(20+4)13410113433993340125411767641125(84)12122970181819968168859925(20

4、+4)591100159184999843225341808034125(82)484839301141465523552539925(24+4)425114259199116125331636333125(88)73737950164641848824856100125(32+4)545101545689996872125401707040125(810)7777591018787356465646910125(24+4)5901015903493472125671494967125(86)131393016969337967799910125(20+4)226112264094040125821969682125(810)87879920131319085108558100125(16+4)2011012015695680125741939374125(84)919194019595538747873510125(28+4)368113687499748125751292975125(86)292949601494957804380299925(32+4)1971119775997580125