(完整word版)四年级下册数学脱式计算及竖式计算

1、480 - 2- 5=6300十 7- 9=350( 7X 2)69 + 69 X 99=(8 + 40)X 25=355+260+140+245 =102X 99 2X 125=645-180-245=382 X 101-382=4X 60X 50=35 X 8+35X 6=44 X 25=591 + 482 + 118=99 X 126=986+1999=473+79-63=267-45+74 =4600- 25-4=136X 101-136=210-35 X 3 =999+99+9+3=6+7+8+102+103+104 =517-53-47=545-167-145=344- (144+

2、37)=236- (177+36)=88X125 =25X 9X 4=8X( 125X 13)(250X 125)X( 4X 8)四.72 X 125 =125X 64 X 25=25X 4X 88X 125=125X( 40-4)=76 X 103 25 X 44=42 X 25=99 X 9=99 X 78=45 X 37+37 X 55=28 X 21+28 X 79=五. 17 X 23-23 X 7=38 X 46+64X 38 =99 X32+32=46+46X 59=167X 2+167X 3+167X 5=39 X 8+6X 39-39 X 4=28 X 225-2 X 225

3、=99 X 22+33 X 34=23 X 4+25 X 4=六.600* 12宁 5 =800 宁 5宁 8=480- 5* 48=240* 5 *12=420* 35=2400*25=7800*125=127-98=672-36+64 =323+189-123=七.(6467-832) +(1832-1467) =1530+( 592-530) -192=960 X 46- 48=1000-( 125-4)=3600 - 72=99 X 83 =72X125 =86X 102=48 X 23+48 X 76+48 =八.56X78+22X56102X84=43X101=102X 36-72

4、=85 - (65-78)=84000-8 - 125=32 X 25X125=136- (36-74)=19X 23-23 X 9=192X 8+192X 2=九.672-36-64=50X 0X 6=57X 13=114X 6=2X 380=1280 - 16-8=273-73-27=98+265+202=150X 6=十二.282+41+159=24 X 15=25X 18X 2=3200 - 4-25=17X 23-23 X 7=十.300X 30=70 X 140=25+75-25+75=99X38+38=40 X 18=120X 6=5X 99+5=2000 - 125-8=40

5、X 80=25 X 4=1一 .102+20=27-3X 7=35 X 22=67+25+33+75=125X 8=60+255+40=1250 - 25 - 5=45 X 12=800-138-162=25 X 24=25X 7X 4=548+52+468=10X 312=20 X 55=12X 45X 45=25 X (4+8)=十三.72 - 24=250X 13X 4=13+46+55+54+87=25 X 12=88X125=28-4X 7=5+137+45+63+50=15-3X 14=158+262+138=375+219+381+225=十四.5001 - 247- 1021

6、- 232=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)=3065- 738 - 1065=2370+1995=497299=3999+498=1883-398 =12X 25=(13 X 125) X (3 X 8)=十六.(12+24+80) X 50704 X25=25X 32X 12588 X 125=32 X (25+125)=102X 76=58X 98=75 X

7、 99+2 X =725 X (24+16)=84 X 36+64 X 84十七.178 X 99+178=83 X 102-8X 2=123X 1 123X 3+85=(13 X 125) X (3 X 8)=(12+24+80) X 50704 X 25=25 X 32 X 125=32 X (25+125)=88X125=十八.102 X 76=58 X 98=75 X 99+2X 7=25X (24+16)=84 X 36+64 X 84=178X 99+178=83 X 102-8X2=123X 10123X 3+85=(13 X 125) X (3X 8)(12+24+80) X

8、50=十九.600-60 - 15=20X 4-20X 4=736-35 X 20=25X 4-25X 4=98-18 X 5+25=56 X 8 -56 X 8=280-80 詔=12X 6- 12X 6=175-75 - 25=25 X 8 -25 X 8=二十.80-20 X 2+60=36 X 9-36 X 9=36-36 - 6-6=25X 8(25X8 =100+45-100+45 =48X 99+1=15X 97+3=5+95X 28=100-36+64=100+1-100+1 =307X46=54X312=83X403=1000+8-1000+8=672-36+64=102+1

9、-102+1=65+35X13=25+75-25+75=40+360 - 20-10=13+24 X 8=324-68+32=125X 6X 8=二十二.980 -28=82836=123>6=568 >9=354 >24=25626=47X210=二十三.1598 9=126X89二29429=203X32=312X25=68934=61888=372 25二234 >46=613X48=二十四.320 25=7210+2865=437X28=432 26二44476=4321 -48=358X27=35034=930 £2二469 >83=289 2

10、4二二十六.25 29=15725=673>12二117 吃5二3842 £4二56/1二19.95+132.47=二十五.864 36=98028=828£36=694 £7二5981 £6=609 £7=450 吃5=32000 -700=11736=5 >491 =二十七.125+25 6=120-605X5=1024勻6>3 =(135 + 415) -5+16=164-13 >5+85=330-65 50)=95-64-45)=64X(12 + 65-3)=(315 >40 364)-二128 6X8-6

11、二二十八.(2010 906) >(65+15) =(20 + 12024) >8=40X20-200=288-(26 14) >8=500 >6-(50 2-80)=(105 >12 635) -5=(845 15>3) 46 =178-145 45+42=(40 4) >25 =106 >9 76X9二三十.735 "00 400425)=1520 (1070 + 28X2)=9405-2940 48 疋1 =二十九.4,15 7+85X7 =19 >96 96274=540 (148+47) 43 =(308308428)

12、XI 仁21 人230 192)=19>96 96274=10000 (59 + 66) >64 =920-1680 407 =(315 >40 364) 4=690+47X52-398=45+24012二25X(24+16)=51+(2304-2042) 2X=(247+18) 2725=148+3328 七4-75二360 >24 £2+730 =2100-94+48 54 =1-一 . 36-720 (360 弓8)1080363-54) 80 =(528+912) >5-6178=(10 + 120 吃4)為二28030 + 789=37(7+6

13、) 30=(947 - 599) + 7 X64=36 人15 276 吃3)=(93 + 25 >21) >9 =(39 - 21) )(396 -6)=三十三.384 62+ 3>3116(17-8) 3=28(5+96 652)=816(72-54) 9(=57X12 560 655二(140-70) 54=178X99+178 =848 - 64066(2960 61500 32X45)32(25+125)47X210=54X312=192 - (54 + 38) X三十四.125 (=335X26=165X24=256X3 仁(12+24+80) 50二(140-7

14、0) 54=63+84 >2 42三十五.490 7+24X5=15X7+85X7 =(46-20) 30-90 =25 >27 >4=108- (83 + 360 七0)=240070 14=3062=260X15二689724=303 >46二三十六.65 >224=618788=112X52=335 疋4二167 >48=336 >25二125 >45=336 >25=(40 4) >25=75>4>25=290 (34 >+99)=三十八.331 25 =125X34 =37X481 =三十七.(420+ 4

15、8)十375 345)=142 549+14=99血3+53二16X76 76W =720七6吃=420 说205 198) X =1255=36X125=11658=256X3 仁91X214二336X25二215X34二205X32=31X206 =46029 18 七)二450 2>(16 + 9)四十.336>2仁245$ 仁31 >206=21 >126二三十九.245 (45+39)125>8 >) >=(46-20) 30-90=2400 80 14 >2 =41 >25-25 =(960400)孚0二26 >6-110

16、=108 (83 + 36060)=(420 + 48) ©75 345)=325 >68=302X12二(140-70) 54=63+84X2 泊2 =4907+24X5 =11713 + 37X65+35)=(58+37) (64-9 5)=135X24二四-一 .325 X仁12X321=31X208 =21X114=17X184二290- (34 X+99)=142-54(9+14二16X76-76X5 =99X53+53=450-2X16 + 9)=四十二.51 X14二61X135二24X158二33X204=33 >264二16X109二210> 1

17、=72030=四十四.(960 400)号0二45+240-12 =123X18 123><3+85X123 =66X125=119 >24二325 >29二18030=420讯205 198) >=四十三.125 >8 X) X二41 >25-25=46029 18七)=63+84 >2 詔2二36030=92040=780 七0二43224=62523=124+78+22 =100-35-25二490勻+24>5二26X6-110 =15>7+85>7 =(420+ 48) 4375- 345)=(46-20) 30-90 =四十五.850 -47=780426=960+40=544+17二898 吃8二42030=92023=690430=750450=四十六.840 -60=520詔0二290- (34 >3+99)=99X53+53二(40 - 4) >5=2400650 14=108 (83 + 360650)=84024=704644=480 652二四十七.672 61 =754658=897639=142-5469+14 =16X76 76>6二450 2>16 + 9)=245 (45+39)=32563X266-250)=624626=17367=四十八.57618=