四年级下册数学口算题2560道(31页).doc

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1、-四年级下册数学口算题2560道-第 31 页1170= 0536=10.56X10= 0.101X100= 0.4+0.6= 4+4.9= 6.5-3.4= 27+25= 89-25= 189-34= 345= 842= 3530= 1804= 196= 2412= 9911= 3618= 966= 6012= 9113= 8517= 5117= 580= 8060= 10140= 4850= 1720=0.4+8.7= 4.5+3.6= 0.28+0.54= 1.4-0.9=7.1-3.5= 5-2.7= 32(25+125)= 25（24+16）= 99+178= （140-70）54=

2、 84242= 245=2.5+0.9= 7.8+1.6= 11.7+2= 0.39+0.15=1.2-0.5= 4.7-2.8= 1307= 752=254= 5213= 7437= 8.6-5.3=0.96-0.33= 5427= 1004= 8643= 6025= 4529= 24012= 17+85= （46-20）30= 25274= 4025= 648-7= 267-45= 353= 12525= 758= 205-138= 3604= 9968= 4975= 7822= 488948= 3968= 32003= 638= 958= 7217= 2466=340-240= 58+1

3、2= 83-25= 762=54-49= 274= 612+34= （21-12）13= 14556= （18-12）7= 52-31= 125-155=43-39= 3604= 6（425）= 434=5+520= （119-8）3= 366= 2.14+2.12=2.19+0.31= 0.88-2.12= 5.34-0.21= 22X7=6.61+3.44= 6.28+3.14= 11.1+21.6= 4.1+4.9= 65.2+2.7= 52.6+3.1= 61.3+66.4= 8.6-5.3= 51.8+24.2= 88.6-7.4= 52.3+6= 4.7-3.25= 12.75-3

4、.6= 4-5.3= 8.24+16.93= 15-2.24=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=6600110= 91-23= 2250= 0346= 12532= 21500= 12504= 439+61= 392+208= 188+702= 15

5、400= 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= 6.84-5.73= 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

6、-9.23= 0.32+1.57= 9.25+2.25= 4.22+8.46=2.45+3.25= 5.6+2.4= 6.5-2.2= 68.4-61.5= 0.25+6.75= 3.14+3.1= 6.31+20.1= 52.3+12.7=759= 8310= 989= 1233=344= 25（24+16）= 99+17= 79+57=300254= 1004= 6012= 10025=320040= 49700700= 4824= 315015=480025= 150015= 7540= 14030= 96003200= 295= 200-104= 15+97= 582= 724= 10

7、00-37= 6000150= 101+52= 47-19= 5405= 7406= 20000500= 28300= 2512= 4350= 530-250= 600120= 652= 545=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= 14.6+2.1= 3.4+0.7= 32.2+2.1= 6.4+8.2= 28.01+2.09= 3.4+6.8= 138-89= 540054= 20034= 550-450= 18000600=

8、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= 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= 1

9、54-73-27= 100025= 24012= 7.06100= 7.610= 2.510= 65.8100= 91.051000= 30015= 0.051000= 1460= 5400600= 345+298= 038= 670-540= 894-399= 68101= 1940= 474= 95-64= 4019= 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= 6.9+7.1= 6.8-3.8= 4.26-3.71= 8.1+3.6=23.1+23.9= 6.94-3.12= 3.8+2.4

10、= 4.66+0.6= 51.2-24.9= 5.16-1.3= 2+4.31= 7.28-2.14=4(25+50)= 32.8+19= 0.5117= 24030=10000.8= 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= 1206

11、2= 910070= 2-1.1=4(36-25)= 1-0.2= 4.3+1.5= 300-84-= 145-99= 1025= 3.560= 3.12+5.2= 11.3-8.6= 0.23400= 0.59+0.22= 600.5= 2-0.29= 457+198= 756-197= 45+15= 5.4-2.5-1.4= 0.361.2= 53.3= 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)=0.6+5.47= 36+54= 70

12、00200= 398+294= 17.3+18.7= 26.5+33.5= 54.6+94.2= 12.4+84.1= 23.6+65.4= 98.5-25.8 1.7+0.1= 0.11+0.28= 2.03+0.67= 5.42+2.31= 44.3+25.7= 80.1+1.9= 289-98= 66+25= 239+42= 6550= 652= 545= 65013= 740370= 446= 71-17= 90060= 60-52= 60-36= 7+75= 1000050= 500-27= 6600110= 91-23= 2250= 0346=12532= 21500= 12504

13、= 439+61= 392+208= 188+702= 15400= 200-47= 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= 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= 894-3

14、99= 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= 4.7+3.7= 6.94+3.12= 5.6+6.4= 15.3+0.7= 13.7-0.1= 28.4-3.32= 6+2.1= 0.5+3.5= 2.4+1.7= 45.3+54.7= 21.6+37.4= 23.5+61.4=17.63+2.1= 3.6+3.5= 9.6+2.4= 8

15、.9+1.1= 7.3+2.4= 6.25+2.52= 8.71+1.29= 1.3-0.1=54.8+69.2= 6.3+1.4+5.2= 8.46+2.54= 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= 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= 2

16、40400= 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= 320020= 420030= 5500500= 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= 0.8

17、30.68=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=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+6.13= 5.03-2.90= 4.9-0.85= 2.13+6.89= 1.72+3.6= 17.20.36=

18、 5.40-4.86= 11.6-9.23= 0.32+1.57= 9.25+2.25= 4.22+8.46= 84040= 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= 138-89= 540054= 20034= 550-450= 18000600= 270030= 4514= 18万+24万= 89100= 0.82+0.0

19、8= 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= 8100= 2.3+3.6= 0.28+0.12= 7.3+2.7= 7.5-3.4= 1-0.35= 7.610= 7.06100= 345+298= 2.510= 65.8100= 91.051000= 30015= 0.051

20、000= 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= 30015= 7979= 430+190= 51030= 340+270= 7218= 9015= 72012= 0578= 38+90= 13050= 380-56= 580-

21、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+2.5= 12062= 96048= 431+199= 362-103= 36085= 2532= 91258= 430270= 376-198= 2.5+3.2= 9.94.8= 80.72= 0.25+0.75= 381938= 78030=

22、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= 410-203 230万-70万= 82万-54万= 320+60= 17.2-5.9= 17.3+2

23、.4= 11.7+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=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=

24、 8025= 1-0.93= 1.25100= 5.6+99= 10025= 3.8-2.8= 14.6-12.2= 9.1+7.5= 14.6+6.3=0.70.9= 3.250.75= 14.60.4= 100.1=140.78= 10.3= 50.08= 1.11=1.642.35= 8.346.22= 12.63.4= 107.64= 13.886.29= 0.991.1= 100.22.28= 13.68.46= 12.67.43= 90-0.9= 41100= 8800400= 0.1210= 60030= 7.59100= 150+70= 356-98= 1258= 6126=

25、1280= 1.5100= 84040= 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= 4

26、(25+50)= 32.8+19= 0.5117= 24030=10000.8= 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= 2-1.1= 4(36-25) 1-0.2= 4.3+1.5= 300-84=

27、 145-99= 1025= 3.560= 3.12+5.2= 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= 47X4= 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= 0 .740.001= 5.4-2.5-1.4= 6X3X2= 63X3=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=