四年级下册800道口算题.docx

1、四年级下册800道口算题0.3+1.5= 2.5+9.8= 7.6+1.3 = 4.4+5.7= 2.3+7.7 = 5.7+3.1 7.69+2.31 9.16+2.64 5.68+12.22 16.8+16.5 26.3+14.6+2.1 96.9+3.4+0.7 32.2+2.1 6.4+8.2 28.01+2.09 3.4+6.8 6.9+7.1+3.6 6.8-3.8 4.26-3.71 8.1+3.623.1+23.9 6.94-3.12 3.8+2.4 5.6-4.66+0.6 51.2-24.9+3.7 5.16-1.3 2+4.31 7.28-2.1417.3+18.7 26

2、.5+33.5 54.6+94.2 12.4+84.1 23.6+65.4 98.5-25.8+0.3 7.2+1.7+0.1 0.11+0.28 2.03+0.67 5.42+2.31 44.3+25.7 80.1+1.9 65.1+14.3 92.4+3.17 62.1-5.5 6.18+4.12 0.5+0.63 2.91+0.34 0.19+0.01 4.13+3.2 4.7+3.7 6.94+3.12 5.6+6.4 15.3+0.7+1.25 26.4+13.7-0.1 28.4-3.32 3.1+6+2.1 42+0.5+3.5 2.4+3.16+1.7 45.3+54.7 21

3、.6+37.4 23.5+61.417.63+2.1 3.6+1.4-3.5 9.6+2.4 8.9+1.1 7.3+2.4 6.25+2.52 8.71+1.29 6.5+3.4+1.3-0.154.8+69.2 6.3+1.4+5.2 8.46+2.54 31.09+2.41-3.1 9.46-2.15 3.3-6.15 7.3+6.7-2.6 16.3+65.2 63.2+46.8 3.12+6.21 2.44+3.56 7.69+3.61 2.45+3.25 5.6+2.4 6.31+6.5-2.2 68.4-61.5 0.25+6.75 3.14+3.1 6.31+20.1 52.3

4、+12.72.19+0.31 0.88-2.12 5.34-69.21 2.14+2.126.61+3.44 6.28+3.14 11.1+21.6 74.1+64.9 65.2+2.7 52.6+34.1-24.3 61.3+66.4 98.6-54.3 51.8+24.2 88.6-27.4 52.3+6 4.7-3.25 12.75-3.6 4-5.3+1.54 98.24+16.93 15-2.246.84-5.73= 0.97+6.13= 5.03-2.90= 4.9-0.85= 2.13+6.89= 1.72+3.6= 17.20.36= 5.40-4.86=11.6-9.23=

5、0.32+1.57= 9.25+2.25= 4.22+8.46=5.63+1.25= 9.36-1.59= 5.63-5.21= 4.65-1.15=7.65-4.19= 8.88-2.69= 0.720.91= 0.830.68=8.243.76= 4.123.8= 14.30.78= 1.38.56= 0.80.55= 40.04= 1.20.03= 3.53.05= 0.80.45= 0.782.2= 5.20.08= 3.250.75=4.8-1.0= 18.4-16.6= 4.5+3.3= 20.1+0.1= 13.9+4.6= 16.5+4.3= 11.5+6.9= 7.4+2.6

6、= 9.2-7.0= 19.8+0.3= 18.0+2.2= 20.4-8.8= 5.4-0.8= 16.6-3.1= 10.4+6.2= 2.5+15.7= 6.1+5.1= 14.0-1.4= 17.0+2.5= 1.3+16.3= 6.1-2.2= 19.1+1.6= 14.8-2.6= 16.3+3.2= 9.2+4.0= 15.3-13.7= 17.6+0.2= 2.6-2.4= 20.7-17.3= 15.7+0.7= 4.7+9.4= 12.1-11.2= 4.4+4.7= 0.8-0.5= 18.5-15.4= 6.0+2.8= 17.2-5.9= 17.3+2.4= 11.7

7、+0.7= 6.1+14.0= 20.9+0.0= 5.4+4.3= 5.4-5.0= 15.5+3.8= 17.2-5.5= 18.4-11.9= 11.6-1.2= 19.0+2.0= 19.9+0.3= 4.5+3.1= 14.2-11.8= 0.1-0.0= 20.8-11.9= 18.1+0.8= 3.5+14.6= 6.9+11.6= 3.8-2.8= 14.6-12.2= 9.1+7.5= 14.6+6.3=0709= 325075= 14604= 1001=14078= 103= 5008= 111=164235= 834622= 12634= 10764= 1388629=

8、09911=100.22.28= 13.68.46= 126743=138-89= 540054= 20034= 550-450= 18000600= 270030= 4514= 18万+24万= 89100= 0.82+0.08= 731= 0.6310= 410= 171000= 0.56+0.4= 8025= 1-0.93= 1.25100= 5.6+99= 10025= 90-0.9= 41100= 8800400= 0.1210= 60030= 7.59100= 150+70= 356-98= 1258= 6126= 1280= 1.5100= 84040= 0.125100= 81

9、00= 2.3+3.6= 0.28+0.12= 7.3+2.7= 7.5-3.4= 1-0.35= 3.610= 5.6+2.3+0.7= 5172= 154-73-27= 100025= 24012= 7.06100= 7.610= 2.510= 65.8100= 91.051000= 30015= 0.051000= 1460= 5400600= 345+298= 0.5+0.4= 0.9-0.3= 0.35+0.43= 2.8-1.2= 0.81-0.19= 9.7-7= 7.8+2.2= 1-0.37= 31052= 4(25+50)= 32.8+19= 0.5117= 24030=1

10、0000.8= 3.06+0.2= 8125= 0.67+1.24=7-6.28= 8.2-0.01= 9923= 504= 51000= 0.42+9.5= 100.5= 65254= 0.08100= 1.82-0.63= 4.5+1.5= 1-0.63=231-99= 3.7+2.5= 32+268= 1.3-0.7 = 2.4+0.6 = 799+7= 24-19+24+19= 7.5-2.8= 5.5-3.2= 12062= 910070= 16= 2-1.14(36-25)= 1-0.2= 4.3+1.5= 300-84-= 145-99= 1025= 3.560= 3.12+5.

11、2= 11.3-8.6= 0.23400= 0.59+0.22= 600.5= 2-0.29= 457+198= 756-197= 45+15-45+15= 5.4-2.5-1.4= 0.361.2= 53.30.2= 5.53= 14.5+9.5= 400258= 71.4= 4168= 2.130= 1.2538= 0.9-0.26= 821-202= 0.2550= 30.25= 2516= 7(10+0.5)= (0.18+0.9)9= 16.4-(3.5+6.4)= 8.32.50.4= 0.6+0.699=(0.88+0.16)8= 12.6+5.3+6.4= 9.60.45= 6

12、1.4+64.6= 0.8(0.40.2)= 13.68+10.48= 0 .740.001= 5.4-2.5-1.4= 2-0.35-0.65= 6.4+1.07-0.47= 1.5-0.04= 42035= 0.49+0.61= 2.40.2= 0.640.16= 5580= 11.7+2.3= 735-298= 81027= 10-8.25= 3200400= 360120= 1.29-0.18= 15(100+3)= 0.6+5.47= 36+54= 7000200= 398+294= 500-12= 25040= 125800= 97-59= 644= 998-299= 240400

13、= 54-15= 1407= 299+455= 1560= 9100700= 90050= 17+49= 25+68= 542-298= 152-46= 620-290= 100-79= 860-370= 038= 670-540= 894-399= 68101= 1940= 474= 95-64= 4019= 952= 590+30= 110050= 83-25= 997+674= 3200200= 420030= 5500500= 446= 71-17= 90060= 60-52= 60-36= 7+75= 1000050= 500-27= 6600110= 91-23= 2250= 03

14、46= 12532= 21500= 12504= 439+61= 392+208= 188+702= 15400= 200-47= 289-98= 66+25= 239+42= 6550= 652= 545= 65013= 740370= 7540= 14030= 96003200= 295= 200-104= 15+97= 582= 724= 1000-37= 6000150= 101+52= 47-19= 5405= 7406= 20000500= 28300= 2512= 4350= 530-250= 600120= 185-86= 906= 700-7= 120+390= 64+36-

15、58= 403825= 2965= (18+25)4= 7125+125= 1007+7= 90-69+27= 410-350-20= 25(100+2)= 95(100-1)= 7(40+7)= 645-(500-1)= 870-130-150= 53-38-14= 196+116= 827-59-241= 678-372-28= 17+15+18= 5000+4000-300= 310+260+420= 283+164= (120-302)4= (305+30)5= 42018+580+180= 75(18+14-27)= 9006- 52040= 60-60(43)= 87(20+30-

16、47)= 90+90(488)= 655+39= 8.2+0.54+0.46= 6400200= 2508= 3.9+2.03= 250-160= 56040= 827125= 12700= 1-0.2= (180+20)5= 21000= 126030= 719+7= 2518= 14.5100= (150+50)8= 49035= 14.5100= 4284= 272-97= 1.29-0.18= 18054= 198+27= 8+0.4= 2.5+3.2= 10340= (22+78)7= 1603= 2.4-1.7= 2.4-1.8= 0.25+0.75= 86.2+15.8= 213

17、3= (25+24) 4= 8-2.5= 175-35= 420-150= 9+0.1= 46+49+51= 174-48-52= 1.05-0.09= 8(125+50)= 420610= 0.6+7.45= 724+284= 89100= 731= 0.82+0.08= 0.6310= 410= 171000= 0.56+0.4= 1.25100= 5.6+99= 10025= 1-0.93=52= 4(25+50)= 90-0.9= 5400600= 7.610= 7.06100= 345+298= 2.510= 65.8100= 91.051000= 30015= 0.051000=

18、1460= 0.81-0.19= 1-0.37= 0.5+0.4= 0.9-0.3= 0.35+0.43= 2.8-1.2= 9.7-7= 7.8+2.2= 5.8-5= 6.7+3= 4060= 840 21= 2450= 1-0.08= 621-199= 7.8+2.2= 750-260= 360+640= 12-1.46-0.54= 5.6+2.3+0.7= 8800800= 110600= 256= 30270= 9015= 17575= 57亿+13亿=61万-25万= 1144102= 320168= 40235= 91258= 430270= 376-198= 2.5+3.2=

19、9.94.8= 80.72= 0.25+0.75= 381938= 78030= 254= 4005= 12200= 6025= 30015= 90030= 847= 535= 64040= 96060= 4250= 0.6-0.47= 258= 1-0.06= 0.8+4.7= 0.75100= 5.610010= 410= 0.08 +1.22= 45万+256万= 7.41000= 4(257)= 171000= 72060= 1-0.93= 7800= 760-450= 310+48= 240+160= 9060= 670-500= 76万+19万= 98-49= 410-203= 2

20、30万-70万= 82万-54万= 320+60= 860-47= 72030= 7979= 430+190= 51030= 340+270= 7218= 9015= 72012= 0578= 38+90= 13050= 380-56= 580-410= 196+68= 18万+23万= 1000-620= 410-203= 0578= 38+90= 7979= 84万-48万= 64万+34万= 72008= 9616= 98-49= 340+270= 7218= 9015= 72012= 12524= 72048= 630452= 299+435= 260-98= 25245= 3.7+2

21、.5= 12062= 96048= 431+199= 362-103= 36085= 2532= 138-89= 540054= 20034= 550-450= 18000600= 270030= 4514= 18万+24万= 89100= 0.82+0.08= 731= 0.6310= 410= 171000= 0.56+0.4= 8025= 1-0.93= 1.25100= 5.6+99= 10025= 90-0.9= 41100= 8800400= 0.1210= 60030= 7.59100= 150+70= 356-98= 1258= 6126= 1280= 1.5100= 8404

22、0= 0.125100= 8100= 2.3+3.6= 0.28+0.12= 7.3+2.7= 7.5-3.4= 1-0.35= 3.610= 5.6+2.3+0.7= 5172= 154-73-27= 100025= 24012= 7.06100= 7.610= 2.510= 65.8100= 91.051000= 30015= 0.051000= 1460= 5400600= 345+298= 0.5+0.4= 0.9-0.3= 0.35+0.43= 2.8-1.2= 0.81-0.19= 9.7-7= 7.8+2.2= 1-0.37= 31052= 6.84-5.73= 0.97+6.1

23、3= 5.03-2.90= 4.9-0.85= 2.13+6.89= 1.72+3.6= 17.20.36= 5.40-4.86=11.6-9.23= 0.32+1.57= 9.25+2.25= 4.22+8.46=5.63+1.25= 9.36-1.59= 5.63-5.21= 4.65-1.15=7.65-4.19= 8.88-2.69= 0.720.91= 0.830.68=8.243.76= 4.123.8= 14.30.78= 1.38.56= 0.80.55= 40.04= 1.20.03= 3.53.05= 0.80.45= 0.782.2= 5.20.08= 3.250.75=

24、3200400= 360120= 1.29-0.18= 15(100+3)= 0.6+5.47= 36+54= 7000200= 398+294= 500-12= 25040= 125800= 97-59= 644= 998-299= 240400= 54-15= 1407= 299+455= 1560= 9100700= 90050= 17+49= 25+68= 542-298= 152-46= 620-290= 100-79= 860-370= 038= 670-540= 894-399= 68101= 1940= 474= 95-64= 4019= 952= 590+30= 110050

25、= 83-25= 997+674= 3200200= 420030= 5500500= 446= 71-17= 90060= 60-52= 60-36= 7+75= 1000050= 500-27= 6600110= 91-23= 2250= 0346= 12532= 21500= 12504= 439+61= 392+208= 188+702= 15400= 200-47= 289-98= 66+25= 239+42= 6550= 652= 545= 65013= 740370= 7540= 14030= 96003200= 295= 200-104= 15+97= 582= 724= 10

26、00-37= 6000150= 101+52= 47-19= 5405= 7406= 20000500= 28300= 2512= 4350= 530-250= 600120= 1,全校师生523人参加植树劳动,如果70人分成一组,那么最多够分成几组 2,用电脑录入一篇466个字的文章,红红每分钟能录入60个字,聪聪7分钟录完.谁录入得快一些 3,王大爷的果园收获苹果358千克,梨270千克,李子196千克.苹果每箱40千克,梨每箱30千克,李子每箱20千克.算一算:装这几种水果,各需要多少个纸箱 4,在一条长为180米的小路一旁植树,每20米栽一棵.一共需要栽多少棵树 5,我们8个人用260

27、元钱买门票,够吗 (你能用几种方法算呢 ) 6,这辆汽车每秒行18米,车的长度是18米,隧道长324米,这辆汽车全部通过隧道要用多长时间 7,春光粮油公司要出口680吨粮食,如果用22吨的集装箱,需要多少个 如果选用17吨的集装箱,需要多少个 8,石家庄到承德的公路长是546千米.红红一家从石家庄开车到承德游览避暑山庄,如果平均每小时行驶78千米,上午8时出发,那么几时可以到达 9,一块长方形菜地,长是9米,宽是6米.这块菜地一共收青菜972千克.平均每平方米收青菜多少千克 10,上海东方明珠电视塔是亚洲最高的电视塔,它的高度是468米.一楼房有12层,高39米.电视塔的高度相当于几个12层住

28、宅楼的高度 11,王爷爷家养的4头奶牛每个星期产奶896千克,平均1头奶牛每天产多少奶呢 12,4辆汽车3次运水泥960袋,平均每辆汽车每次运水泥多少袋 13,(1)水波小学每间教室有3个窗户,每个窗户安装12块玻璃,9间教室一共安装多少块玻璃 (2)杨柳小学有12间教室,每间教室有3个窗户,一共安装324块玻璃.平均每个窗户安装多少块玻璃 14,小红买了2盒绿豆糕,一共重1千克.每盒装有20块,平均每块重多少克 15,一辆大巴车从张村出发,如果每小时行驶60千米,4小时就可以到达李庄.结果只用了3个小时就到达了.这辆汽车实际平均每小时行驶多少千米 16,白塔村计划修一条水渠,如果每天修16米,18天就能修完.第一天修了24米,照第一天的进度,几天能修完 17,虹光宾馆购进100条毛巾,每条6元.如果用这些钱购买8元一条的毛巾,可以买多