四年级下册数学脱式计算及竖式计算.doc

一48025= 630079= 350（72）= 696999= （840）25= 355+260+140+245= 10299 2125= 645-180-245= 382101-382= 46050= 二358+356= 4425= 591482118= 99I26= 986+1999= 473+79-63= 267-45+74= 4600254= 136101-136= 210353= 三999+99+9+3= 6+7+8+102+103+104= 517-53-47= 545-167-145= 344-（144+37）= 236-（177+36）= 88125=2594= 8（12513）= （250125）（48）=四72125= 1256425= 25488125= 125（40-4）= 76103 2544= 4225= 999= 9978= 4537+3755= 2821+2879= 五1723-237= 3846+6438= 9932+32= 46+4659= 1672+1673+1675= 398+639-394= 28225-2225= 9922+3334= 234+254= 36049= 六600125= 80058= 480548= 240512= 42035= 240025= 7800125= 127-98= 672-36+64= 323+189-123= 七（6467-832）+（1832-1467）= 1530+（592-530）-192= 9604648=640（164）= 1000（1254）= 3600 72= 9983= 72125= 86102= 4823+4876+48= 八.5678+2256 = 10284= 43101= 10236-72= 85 -（65-78）= 840008125= 3225125= 136-（36-74）=1923-239= 1928+1922=九672-36-64=5006=5713=1146=2380=1280168= 273-73-27= 98+265+202=1506= 3200425=1723-237=十30030= 70140=25+75-25+75=9938+38=4018=1206=599+5= 20001258=4080=254=十一.102+20= 2737= 3522=67+25+33+75=1258= 60+255+40= 1250255=4512=800-138-162= 2524=十二.282+41+159= 2415= 25182=2574= 548+52+468= 10312= 2055=124545= 25(4+8)=十三.7224=250134= 13+46+55+54+87= 2512=88125= 2847= 5+137+45+63+50=15314=158+262+138=375+219+381+225=十四.50012471021232=378+44+114+242+222= （181+256）+2719=276+228+353+219= (375+1034)+(966+125)=(2130+783+270)+1017=99+999+9999=2214+638+286= 7755(2187+755)= 30657381065=十五.899+344=23651086214= 2357183317357=2370+1995= 497299=3999+498= 1883-398=1225= (13125)(38)=十六.(12+24+80)50= 70425=2532125=88125=32(25+125)= 10276=5898= 7599+27=25（24+16）= 8436+6484=十七.17899+178= 83102-832=123181233+85=(13125)(38)=(12+24+80)50= 70425=2532125=32(25+125)=88125=十八.10276=5898= 7599+27=25（24+16）=8436+6484=17899+178= 83102-832=123181233+85= (13125)(38)=(12+24+80)50=十九. 600-6015=204204=736-3520=254254=98-185+25=568568= 280-804=126126= 175-7525=258258=二十.80-202+60=369369= 36-366-6=258（258）=100+45-100+45=4899+1= 1597+3=5+9528=100+1-100+1=100-36+64=二十一.1000+8-1000+8=672-36+64= 102+1-102+1=65+3513=25+75-25+75=40+36020-10= 13+248=324-68+32= 12568=二十二.98028= 82836= 1236 =5689= 35424= 25616= 47210=30746= 54312= 83403= 二十三. 15989= 12689= 29429= 20332= 31225= 68934= 61888= 37245= 23446= 61348=二十四. 32025= 7210+2865= 43728= 43246= 44476= 432148= 35827=35034= 93032= 46983=二十五. 86436= 98028= 82836=69417= 598126= 60987= 45025= 28944= 32000700=二十六. 2529= 15725= 67312= 11725= 384234= 5611= 19.95+132.47= 11736= 32512= 5491=二十七. 125+256= 1206055= 1024163 = (135415)5+16= 164-135+85= 330(6550) = 95(64-45) =64(126513) = (31540364)7= 1286816= 二十八.(2010906)(65+15) = (2012024)8= 4020-200= 288(2614)8 = 5006-(502-80)= (10512635)25= (845153)16 = 178-14556+42= (404)25 = 1069769=二十九.4,157+857 = 540(148+47)13 = (30830828)11= 199696274= 21(230192)= 199696274= 10000(5966)64 = 920-1680407 = (31540364)7= 690+4752-398=三十.735(70040025)= 1520(1070282)= 9405-29402821 = 45+24012= 25(24+16)= 51+(2304-2042)23= (247+18)2725=148+332864-75= 3602432+730 = 2100-94+4854 =三十一. 36-720(36018)= 1080(63-54)80 = (528+912)5-6178= (1012024)5= 28010789= 37(7+6)30= (947599)764= 36(1527623) = (932521)9 =(3921)(3966) = 三十三.38412331 = 16(17-8)3 = 28(5+9632) = 81(72-54)9= 571256035= (140-70)54= 17899+178 = 8486401612 960(15003245) 32(25+125) 三十四.1256= 33526= 16524= 25631= 47210= 54312= 192(5438)6 (12+24+80)50= (140-70)54= 63+84242 =三十五.4907+245= 157+857 = (46-20)30-90 = 25274= 108(8336060) = 240080142= 30612= 26015= 68924= 30346= 三十六.65224= 61888= 11252= 33524=16748= 33625= 12545= 33625= (404)25= 75425= 290(343+99) = 三十七.(42048)(375345) = 142549+14= 9953+53= 1676766 = 720362 = 420(205198)4 = 12565= 36125= 11658= 25681= 三十八. 33125 = 12534 = 37481= 91214=33625= 21534= 20532= 31206 = 460(29183)= 4502(169) = 三十九. 245(45+39) = 125(84)5= (46-20)30-90=240080142 = 4125-25 = (960400)70= 266-110= 108(8336060)= (42048)(375345) = 32568= 四十. 33621= 24531= 31206= 21126= 30212= (140-70)54= 63+84242 = 4907+245 = 1171337(65+35) = (58+37)(64-95)= 13524= 四十一.32541= 12321= 31208 = 21114= 17184= 290(343+99) = 142549+14= 1676766 = 9953+53= 4502(169)=四十二.51214= 61135= 24158= 33204=33264= 16109= 21021= 72030=11924= 32529= 18030= 66125= 四十三.125(84)5= 4125-25= 420(205198)4= 460(29183) = 63+84242= 36030= 92040= 78060= 43224= 62523= 四十四. (960400)70= 45+24012 = 123181233+85123 = 124+78+22 = 100-35-25= 4907+245= 266-110 = 157+857 = (42048)(375345)= (46-20)30-90 = 四十五.85017= 78026= 96040= 54417= 89828= 42030= 92023= 8020= 69030= 75050= 四十六.84060= 52040= 290(343+99)= 9953+53= (404)25= 240080142= 108(8336060)= 84024= 70444= 48032= 四十七.67221= 75458= 89739=142549+14 = 1676766= 4502(169) = 245(45+39)= 32513(266-250)= 62426= 17317=四十八. 57618= 82532= 33663= 38325= 4125-