人教版四年級(jí)下冊(cè)數(shù)學(xué)專項(xiàng)練習(xí)口算題

1、 710-420= 75-1145+156= 5= 5614 = 240040= 50 90= 25058= .42+7-29= 6513 = 360060= 5= 8560080= 3= 227515 = 6524= 87 12 5= 12024 = 2516= 3+8= 30 16= 25 6300 30= 489= 1204004+20= 25= 20025 = 420= 6903= 16 = 10+123=0 3611= 696800 84021 = 102+284= 1256= (8020+80)4= 102525= 70+(100-105)= 336+70= 14 = 560 48

2、0+290= 4825= 30= 20= 40= 360 390 2594= 13 = 930780 72-45= 4020= 200-333= 60015 = 23 3= 80-25= 362-85= 3020-1010= 30= 32 30= 800 70+45= 1250= 210070= 2230= 2= 720 45 612 12= 201= 6 3000+200= 902= 8= 25 17 360+140= 6= 16 2311= 5= 48 125= 35 3006= 8= 30= 12525= 1800 60= 4 9= 540 4200-2200= 880 20= 900=

3、 4500 80-24= 45 20= 30 220+80= 170+90= 35 420 2= 14= 4004= 5= 208 480040= 90= 32= 25 3 32+15= 350-80= 600-3200= 201= 144515= 7= 28 2= 78 2= 160+70= 20+20 16= 80 4060= 4512= 5= 35-258= 18-64 420020= 3220= 36+8-40= 6+20= 42 50= 2500 85= 6 40= 7= 40-52800 5= 16 23= 69 468+197= 20= 32 14 = 98 3= 80+60 6

4、7+25= 80= 6 41+1867 24 = 964= 2= 20 = 8070= 2101 3= 134 57+19= 470010= 35 18= 725-76-24= 8= 125 125 24= 75 19+75= 60 60= 729+302= 23= 414518= 254= 7060= 36024= 300 52= 1036-155-245= 45 22= 91-28= 240020= 865 99+865= 5 42= 58+79+42= 45 6= 2564= 1.359= 679+67= 2528= 375+99= 8056= 15 8= 655+777+345= 90

5、-25= 7000 156= 70= 45+45= 35= 35 35+65 25 9 47= 12548= 125 4= 198= 6241000= 80= 1814-378-422= 12516= 8.456125 21 398+558+442= 8= 15+22= 44-15= 9600 30= 90= 1800 1800 52= 10234= 630 90= 0.1= 32 8= 62297204= 450045= 5= 16= 125572 372 870-232-168= 2540= 0= 320 2= 97+18= 10 24= 6.40 16= 50 50= 17.3 10=

6、2= 49035 1.580= 5= 332= 456 7200454514= 2= 360 40= 12 0= 26+14= 36.52007 18= 35 7365-3999= 36= 384 4= 264+198= 20= 26 81 27= 1800 62+18= 14= 35 123+259+741+477= 74 4= 25280088.8 35 5602= 5= 95 46+46 0= 302 783 59.2 22= 45 37= 254= 102 521-305= 3.2= 8= 264384 34= 2535002= 749+5036+251= 5.76 9= 9= 732

7、54+99= 99+99= 99 3875 10= 0= 25+340= 12= 45 18.46 402= 614 01.854100= 39= 46.8 16= 5600 750-570= 50= 44= 937 0.2= 67+28= 7= 50 14.6 2= 24069502= 20 40= 2.3= 4= 2852 4.3b2.7b= 1.6 0.46.513 1-0.28-0.52= 3= 1070.25= 4.90.50.2 0.710.55 4= 785.1x+2.9x= 51 1740 0.352 14= 24.5 0.30.4= 61006312 0.5614 49.53

8、= 5.4+1.4= 0.490.873.2 0.40.7 1.68 0= 1532.7x+3.6x= 0.1= 0.02 0.40.640.8 2.8 4625= 161.6= 5.06x-4.07x= 7.4140.233 3.7410= 10x-3.7x= a+0.4a= 30.5 1.920.046.30.7 0.98+1.82= 120.3= 0.32500 0.24 0.36 0.742.5x+4.3x= 4.6x+2.7x= 4.350.65 10.77 2.13 0.8= 0.05 1.7+0.43= 3.50.5 5.24 105.4 6.05x-4.96x= 0.58a-0

9、.47a= 4200.480.6 1.18 1.6= 3.2 1.50.4= 0.777 90.8 200 3.5 3.120.5= 3.1x= 4.8x 2 1.50.06 40.54 1.50.75= 100.2= 1.25 0.7515 40.25 0.25 0.1= 5.6 8.4a= 12a xx= 0.70.8 0.40.8 80.12516= 64.320.01= 0.9 4 2.50.4 4 0.50.254.9x= 6x0.8= 72.8 51.1 2.30.3 1.540.36 42.32.7b+5b= 0.052991.01 2 3.5 3.2503= 3.5 4.242

10、0 0.51.7 2.1 35 5.1b+11.9b= 4.3b= 7.6b3= 1.23 0.8 0.8 7.21225 1.25= 420.01= 100 0.12510.513592.7 2.52= 0.07= 3.4 30.12 0.480.51173.5t-t= 3x+4x= 1932.8 3.61210.63 0.2= 51 0.1= 0.42 40.680.24+0.12+0.641.35.2 3 3a= 8a0.86+2.14= 0.1371.2-0.9= 1+3.89= 7b+b= .211000.540.6= 0.37+4= 10= 0.0814c-2c= 0.70.8=

11、40.260.3= 3.210= 750.12+3.4= 0.050.45+0.55= 410.05= 0.8= 0.96 10240.3 4.50.9200.4= 6.48= 12.53= 8 2.8+10.2= 0.83.71.4= 71.20.42-0.8= 50 7-0.9= 7.87.2= 1.57300.55 2.199.1= 1.3280.55+0.3= 10.7-5.7= 2.63100.89= 0.8+0.2= 0.70.52+0.08= 84.12 10.32160.4= 25= 0.42= 0.6 7.50.1580.03 8.15.1= 0.6 5= 0.14 0.01

12、100= 0.92.54= 0.33.50.01= 0.72-0.24= 0.01= 300.23.515.3-10= 3.7+5.9= 400= 5 2.013.3+7= 01.22= 04.5-2.9= 9.9+11.1= 1010= 65= 0.60.057.1-2.2= 1871000= 5 2.51.250.2500.053.65= 10.06= 4= 009.8 03.53.5= 90.57.827= 1 = 8.40.0010.1 1.9+0.39 17= 0.3= 1.258= 0.340.9 0.70.20.4= 4.85.2 1.410.06 0.5= 2.5 100-35

13、.220.060.7 3.68.40.5= 0.590.4= 5.6 0.42.50.90.17= 0.341.258= 40.25= 52.432.6 5.6 1.44= 30.44= 3 1.260.80.48 40.222= 4.18.19= 0.720.64.4 0.11 0.52 42.50.90.2= 0.35 0.17.53 13.99 0.02564.21.3= 2.6 00.4 3.523.2 0.30.60.3= 3.6+6.3= 0.94 2.30.10 253.30.30.013.7+5.9= 1.50.03= 2.540.5 44.5-2.9= 5.1= 3= 86.

14、8-2.4 0.30.15.10.17 7.1-2.2= 50.7= 12-0.054= 9937.2 4.230.281.4 37.210-2.41= 0.435= 0.90.452.4-0.8= 4.52= 2.013.60.9-4= 3= 9.6163-1.04= 16-4.5-5.5= 7.8+0.22= 3.6-0.36= 0.310.01 1.820.640.36 6.13-2.15= 8.1-2.2= 10.016.55= 3.720.63.40.4= 0.3+0.5= 4= 8.6= 0.9= 6.812.67.51.53.6-1.9= 13-0.5-4= 0.3621.640

15、.819 2.3+1.06= 9.40.7= 0.2= 1.1 30.516.8-15.9= 1.82.32-0.4= 1.20.04= 0.90.5= 1.08= 21025 1.751= 1.9+5.10.427= 0.03= 4.80.16 1.253.305.3-2.8= 8.83.20.4= 50= 2.01= 0.903.89 0.22(1.6+0.5)4= 0.5= 5= 3.2 3.5216.03+4.12= 0.010.01= 2.97100= 4310.1= 7.3= 3.7204.2-1.3= 0.2= 3.7237.299+37.2= 1.250.5= 6.44248-

16、0.6= 0.75= 6.3+7= 1.293= 9.1= 990.12.197= 1.67.2-1.2+6.7= 0.3= 1.52= 0.75= 10.40.4= 0.7551.57.47.5+2.5= 3.2-2= 1 1.854.9-4= 0. 658= 0.125610.1-2.4= 0.2= 0.91.947.23= 9.8-0.98= 10+0.01= 8.19= 4= 0.252544.9-1.9= 8.80.11= 0.490.1= 1-0.1 2.262= 6.3+2.4= 0.25= 1.20.7+3= 40.05 8.40.46= 5.8+7.6= 0.8= 1.21.

17、48 0.125 5951.96= 40= 1.80.2-0.03= 7+10.7= 0.90.72 42.52= 10.71+4= 0.021= 6.31.8= 2.5-3.63.6 5 0.125100 9658 0.01= 2.57.71.1= 5= 5.40.4812010.63 0.1= 72.3= 5.40.7236= 1.530.7 3= 4.9+1.54= 8.88= 00.752= 14580 0.3= 7.9-1.30.81-0.63= 0.123= 0.50.25= 1.50.06 0.8= 0.040.5= 8-0.80.760.38= 600.03= 7.80.9 2

18、.3-0.69-0.31= 0.120.2910= 80= 145= 23699 0.1= 4.56.40.0192= 15= 0.16.39= 40.253.5120+7.04= 8= 3.69= 200= 468500 20 4= 2.38100= 9.90.9= 3150753.21.6 1.1= 3.2= 1.83= 121.251500.753.86.03 5= 0.240.2-0.01= 5= 0.15105.41355 7= 3= 0.08= 49.88.113600.8125 0.2= 9.68= 7.20.8= 1.250.650.01 4.35 4360= 1.550.69= 7.62= 791044.5160 1.25= 8.3100= 20.48= 65180 9.81.40.07= 0.8= 7.2 0.7= 53 0.041.50.325000.9= 96= 30.04= 5 15402480.029-8.57= 0.5= 180= 15.3 270.660.27 34514= 60