人教版四年级下口算题

1、45+156= 250 5 8= 6 5 2 4= 30 3+8= 400 4+20= 10+123=0 (80 20+80) 4= 70+(100-10 5)= 360 40= 40 20= 80-25= 70+45= 90 2= 16 6= 300 6= 540 9= 30 20= 400 4= 350-80= 160+70= 18-64 8= 42 6+20= 40-5 7= 80+603= 41+182= 75-11 5= .42+7-29= 5600 80= 25 16= 120 25= 36 11= 1025 25= 336+70= 25 9 4= 200-33 3= 3020-1

2、010= 12 50= 25 8= 23 11= 125 25= 4200-2200= 220+80= 20 8 5= 600-3 200= 20+202= 35-25 5= 36+8-40= 2800 40= 98 14 = 96 24 = 56 14 = 65 13 = 75 15 = 120 24 = 200 25 = 800 16 = 840 21 = 560 14 = 390 13 = 600 15 = 32 30= 22 30= 6 201= 17 5= 4 60= 4500 900= 170+90= 4800 40= 14 201= 80 16= 4200 20= 2500 50

3、= 16 5= 32 20= 67 4= 2400 40= 3600 60= 87 3= 25 16= 48 9= 696 3= 125 6= 48 25= 780 20= 72-45= 362-85= 720 45 2= 3000+200= 48 125= 35 8= 80-24= 420 35 2= 25 32= 45 15= 78 2= 45 12= 6 85= 69 23= 67+25= 210 70= 710-420= 50 90= 22 8 5= 12 5= 6300 30= 690420= 102+284= 480+290= 930 30= 23 3= 800 30= 2100

4、70= 612 12= 360+140= 1800 30= 880 20= 45 14= 3 90= 32+15= 28 7= 40 60= 32 20= 468+197= 6 80= 80 20 = 4700 10= 729+302= 4518= 2400 20= 25 6 4= 25 28= 15 6= 125 48= 125 16= 15+22= 102 34= 4500 45= 25 40= 490 35 2= 360 45 2= 35 18= 264+198= 2800 25 4= 45 22= 521-305= 3500 25 2= 25+340= 5600 16= 67+28=

5、240 40= 35 18= 75 19+75= 4123= 45 22= 45 6= 375+99= 7000 70= 45+45= 624198= 9600 30= 630 90= 720 9 4= 320 2= 50 50= 33 6 5= 12 40= 26 20= 62+18= 560 35 2= 25 4= 254+99= 45 12= 750-570= 50 7= 69 2.3= 57+19= 60 60= 70 60= 91-28= 58+79+42= 80 5 6= 90-25= 35 35+6535= 125 80= 44-15= 1800 90= 125 16= 97+1

6、8= 10 24= 45 14= 26+14= 81 27= 123+259+741+477= 95 46+465= 102 34= 749+5036+251= 99 99+99= 614402= 4 50= 20 2= 725-76-24= 125 24= 360 24= 1036-155-245= 865 99+865= 67 9+67= 655+777+345= 25 9 4 7= 1814-378-422= 398+558+442= 1800 5 2= 22 6 5= 870-232-168= 6.40 16= 7200 45 2= 7365-3999= 1800 36= 35 14=

7、 302 783 0= 264 8= 5.76 9= 3875 0= 1.854 0 100= 937 4= 285 4= 134 3= 125 8= 25 4= 300 52= 5 42= 1.35 9= 15 8= 125 4= 8.456 1000= 21 8= 32 0.1= 572 8= 372 0= 17.3 10= 1.5 80= 36.52007 0= 384 4= 88.8 74 59.2 37= 384 3.2= 73 9= 18.46 10= 46.8 39= 14.6 0.2= 50 2= 10 3= 78 4= 24.5 14= 49.5 3= 153 0= 462

8、5= 3.74 10= 3 0.50.7 42.1 35.2 41.1 89 0.81.5 20.2 50.7 0.82.5 0.42.3 0.30.05 21.7 0.51.25 0.82.7 90.12 33.6 120.68 46.5 1310.5 50.35 20.56 140.4 0.70.64 0.80.23 36.3 0.70.240.3610.773.5 0.50.48 0.60.77 70.54 40.25 40.125 80.5 41.1 53.5 24.2 2.17.2 0.81 0.125 0.4 810.630.24+0.12+0.64 1-0.28-0.52= 0.

9、5 0.217 40100633.21.682.8 0.4147.41.92 0.04 0.32 5000.654.35105.44 203.5 2001.50.060.75 150.4 0.84 0.250.361.541.01 99420 3525 12135 0.50.51 1732.8195.2 1.31.6 0.44.9 0.71 56 120.870.490.02 0.1= 5.06x-4.07x= a+0.4a= 120.3= 4.6x+2.7x= 1.7+0.43= 0.58a-0.47a= 1.5 0.4= 4.8x 3.1x= 1.25 0.2= 12a 8.4a= 64.

10、32 16= 6x 4.9x= 2.3 43.25 05.1b+11.9b= 1.23 3= 1000.01= 3.4 0.07= 3x+4x= 0.42 0.1= 4.3b 2.7b= 70.25= 5.1x+2.9x= 0.3 0.4= 5.4+1.4= 2.7x+3.6x= 161.6= 10 x-3.7x= 0.98+1.82= 2.5x+4.3x= 0.05 0.8= 6.05x-4.96x= 3.2 1.6= 3.12 0.5= 100.75= 5.6 0.1= xx= 0.9 0.01= 72.8 0.8= 2.7b+5b= 3.5 3= 7.6b 4.3b= 42= 2.52

11、= 3.5t-t= 510.2= 8a3a= 7b+b= 4c-2c= 0.12+3.4= 102 1.2 3= 2-0.8= 10.7-5.7= 0.52+0.08= 25= 80.03 0.01 100= 300.01= 01.22= 0.6 5= 1.2-0.9= 0.54 0.6= 0.26 0.3= 10.05= 200.4= 2.8+10.2= 7-0.9= 0.55+0.3= 0.8+0.2= 160.4= 0.14 5= 2.5 4= 15.3-10= 3.3+7= 610= 0.86+2.14= 0.37+4= 3.2 0.8= 0.45+0.55= 6.4 8= 3.71.

12、4= 7.87.2= 2.199.1= 100.89= 0.60.42= 8.15.1= 0.72-0.24= 5 400= 9.9+11.1= 187 1000= 1+3.89= 0.081 10= 75 10= 0.96 0.8= 4.5 0.90.8 71.5 71.32 80.7 810.3 25 0.60.9 0.33.5 0.22.01 010 0.050.13 7.21 1000.7 40.05 44 0.312.5 80.4 5030 0.552.6 34.1 27.5 0.13.5 0.01= 3.7+5.9= 4.5-2.9= 7.1-2.2= 1.25 0.25 0 9.

13、81.9+0.39 4.85.20.5 0.4= 4 0.25= 3 4= 8.1 9= 2.5 460.0253.6+6.3= 0.05 4= 3.5 00 3.5= 0.9 0.3= 1 0.069 0.5= 1.25 8= 2.6 34.1 2= 0.35 0.2= 7.5 0.10.9 0.3= 1 0.06= 9 0.51.25 8= 0.2 0.4=100-35.22 2.5 0.42.4 50.22 40.90.523.99 10 3.522.5 58.4 7= 0.34 17= 2.5 0.5= 8.4 0.70.34 0.17= 30.4 4= 1.2 60.72 0.62.

14、6 1.3= 0.6 0.30 3.65= 7.82 1 = 0.001 0.11.4 0.73.6 0.065.6 0.95.6 1.40.48 0.84.4 0.114.2 3 3.2 0.40.3 0.014 0.55.1 0.170.28 1.40.9 0.459.6 161 0.01 0.01 17.5 1.50.81 93 0.510 254.8 0.160 3.893.52 137.2 99+37.2= 6.4 41.5 0.3= 1 0.4 1 0.4= 1.8 57.2 0.925 4 0.25 4= 2.2 68.4 0.49 51.9 52.5 425 3.3 02.5

15、40.3 0.137.2 9937.2 4.5 2= 7.8+0.22= 20.640.363.4 0.4= 12.60.9= 21.640.361.2 0.04= 0.42 7= 1.25 3.3 00.92.01= 2.97 100= 203.77.3= 6.3+7= 2.199.1= 5 0.75 1.5 0.75= 0. 65 0.2= 9.8-0.98= 1-0.1 0.1= 0.7+3= 1.2 0.8= 0.9 7+10.7= 6.3 0.021= 1.5 0.03= 6.8-2.43= 5 0.7= 0.43 5= 3.6 0.9-4= 3.6-0.36= 8.1-2.2= 0

16、.6 0.3+0.5= 6.88.6= 9.4 0.2= 1.8 0.9 0.5= 21.08= 8.8 0.4= (1.6+0.5)5= 43 0.01= 3.72 0.2= 0.7 8-0.6= 990.13.2-2= 6 0.125 8= 1.9 48.8 0.11= 4 1.2 0.25= 0.125 8 1.8 40= 2.5-3.61.8= 2.3 0.18 5.1= 12-0.05 4= 4.2 32.01 3= 16-4.5-5.5= 1.8 0.33.72 4= 13-0.5-4= 1.1 0.7= 2.32-0.4= 1.9+5.1 51= 3.2 50= 3.2 0.5=

17、 1 0.01 0.1= 1.25 0.5= 1.29 3= 7.2-1.2+6.7= 7.5+2.5= 10.1-2.4= 10+0.01= 4.9-1.9= 6.3+2.4= 5.8+7.6= 0.2-0.03= 10.71+4= 3.7+5.9= 4.5-2.9= 7.1-2.2= 10-2.41= 2.4-0.8= 3-1.04= 6.13-2.15= 6.5 5= 3.6-1.9= 2.3+1.06= 16.8-15.9= 1.7 0.03= 5.3-2.8= 0.22 4= 6.03+4.12= 4.2-1.3= 24 5= 1.6 7= 7.4 2= 4.9-4= 8.1 3=

18、0.49 9= 0.05 2= 1.4 6= 0.72 6= 3.6 2= 7.7 1.1= 7 2.3= 8.8 8= 0.5 0.25= 60 0.03= 0.12 80= 6.3 9= 20+7.04= 9.9 0.9= 1.8 3= 0.2-0.01= 4 0.08= 9.6 0.8= 7.6 2= 8.3 0= 7.2 0.8= 3 6= 15.3 0= 6.3 3= 4.2 0.7= 0.92 0.4= 0.95 10= 1.4 0.2= 0.51 17= 0.19 3= 0.57 19= 2.5 5= 0.72 36= 0 0.752= 0.81-0.63= 0.04 0.5= 0.29 10= 0.019 2= 3.6 9= 2.38 100= 1.25 3.2= 0.24 5= 8.1 3= 1.25 8= 5 0.69= 2 0.48= 3 0.7= 9 0.04= 18 0.5= 60 0.5= 7 5= 5 4= 13 2= 2 0.04= 0.5 2