四年级数学上下册口算题大全.doc

1、四年级上下册数学口算题大全四年级上下册数学口算题大全 2340= 543= 1830= 6030= 7050= 25050= 1460= 80 04040= 1850= 1630= 1.25+2.3= 35.7-2.4= 12.3+4.06= 0.75+0.4= 1.34+0.8= 9.5-2.7= 1.8+8.18= 7.82-7.2= 8.7+0.03= 2.7+3.9= 9.3-8.8= 1.9+25.79= 4.5-3.26= 5.1-1.9= 2.2+5.7= 4.8-2.5= 18.3-3.7= 2.9+15.9= 6.3+3.6= 6.7-4.5= 6.8-0.7= 27.3+2

2、.15= 23.5+1.68= 53.16+3.54= 6.6-3.7= 7.2-2.7= 12.3+3.7= 5.3+4.47= 2.8+1.9= 3.2+12.76= 3.25-0.12= 4.5-2.1= 5.8+6.9= 1.5+4.85= 四年级上下册数学口算题大全四年级上下册数学口算题大全 16.8+5.4= 3.6-1.3= 24.6+2.4= 8.1+1.2= 2.45+5.5= 0.5+2.6= 93.1-20.9= 53.4-2.4= 5-0.08= 96.3-56.2= 136.5-105= 73.4+52.1= 79.2+56.8= 7.21+6.9= 1.64+2.3

3、5= 6.72-3.28= 35.7-2.4= 4.5-3.26= 5.1-1.9= 2.2+5.7= 640 80= 155= 233= 1225= 480 80= 165= 273= 9015= 484= 640 16= 393= 2420= 323= 48 16= 128= 273= 5614= 24 8= 142= 8345= 560 80= 96 24= 4020= 4030= 3726= 7639= 60559= 3023= 128= 2732= 4827= 450020= 7315= 120600= 200360= 6800400= 280+270= 42500= 6000 40

4、= 51280= 31070= 40014= 470+180= 1000 25= 160600= 20420= 290300= 8100 300= 7600 200= 930-660= 7600 400= 680+270= 980 14= 4200 30= 61300= 130050= 20048= 530+280= 9200 400= 840 21= 四年级上下册数学口算题大全四年级上下册数学口算题大全 180500= 8000 500= 1900 20= 200160= 8700 300= 300330= 31400= 7000 14= 60012= 9600 80= 140300= 88

5、00 40= 9600 800= 750290= 5490= 76020= 7500 500= 370200= 650 13= 86004200= 2404= 640 80= 1510= 16030= 2506= 7200+900= 410-201= 1258= 4820= 6600 600= 390+140= 1180= 2450= 3600400= 4000 50= 4.8-2.5= 18.3-3.7= 2.9+15.9= 6.3+3.6= 6.7-4.5= 6.8-0.7= 0.2-0.09= 2+9.1= 0.89-0.25= 1-0.55= 20.22+0.78= 2-0.75= 5

6、.78-0.24= 0.42+10.68= 8.34-6.22= 6.37+4.55= 320X5= 120X8 = 9X470 = 310X5= 6X150= 390X5 四年级上下册数学口算题大全四年级上下册数学口算题大全 = 2X570 = 6X270= 270X2= 940X3= 700X8= 4X280 = 6X660 = 2X880= 6X230= 8X800 = 7X210 = 860X6= 6X930= 480X9= 6X280= 240X3 = 7X130 = 2X450= 9X390= 9X780 = 270X5 = 5X690= 790X6= 720X9= 8X920=

7、4X980 = 340X7 = 4X710= 8X730= 900X2 = 170X9 = 9X970= 4X590= 3X860= 290X4= 7X630 = 960X7 = 860X9= 8X680= 340X2 = 5X490 = 5X500= 6X470= 560X3= 5X300= 5X180 = 8X300 = 820X8= 9X150= 140X7 = 3X420 = 480X6= 530X4= 390X2= 810X8= 8X180 = 2X950 = 670X9= 360X9= 400X9 四年级上下册数学口算题大全四年级上下册数学口算题大全 = 2X760 = 9X350

8、= 430X8= 670X6= 850X4= 320X3 = 3X550 = 4X330= 980X9= 560X6 = 940X8 = 920X7= 7X510= 200X2= 8X490= 7X250 = 7X320 = 770X2= 2X330= 4X520 = 410X9 = 730X4= 680X3= 2X180= 550X6= 6X970 = 2X840 = 770X5= 970X5= 5X370 = 620X8 = 990X6= 4X780= 940X6= 27.3+2.15= 23.5+1.68= 53.16+3.54= 6.6-3.7= 7.2-2.7= 12.3+3.7=

9、5.3+4.47= 2.8+1.9= 3.2+12.76= 3.25-0.12= 53070= 42090= 9600 30= 7700= 203+98= 1800300= 240+570= 4800400= 370+580= 580-490= 910370= 2508= 270190= 3602= 7525= 33011= 6800= 5400 9= 420 60= 9800= 3330= 3007= 9500= 39013= 6300 700= 370560= 四年级上下册数学口算题大全四年级上下册数学口算题大全 5600 700= 4800 12= 3500 7= 520+490 450

10、90 80330 70700 7000 70 4000 80 2400200 42090 170320 100051 520260 910190 35200 22200 8800400 9300 300 6300 1800 200 9300 30 280 40 304199 390 26 125050 2140 6600220 760198 660220 5000 50 10091 753299 7000 70 200 40 18030= 240 40= 352= 1407= 136= 2803= 3502= 5011= 2506= 7200+900= 410-201= 1258= 4820=

11、 6600 600= 390+140= 1180= 2450= 3600 400= 4000 50= 53070= 42090= 9600 30= 7700= 203+98= 1800 300= 240+570= 4800 400= 370+580= 580490= 910370= 258= 270190= 362= 7525= 330 11= 6800= 5400 9= 420 60= 9800= 3330= 3007= 9500= 39013= 6300 700= 5600 700= 4800 12= 3500 7= 370560= 520490= 45090 80330 70700 70

12、00 70 四年级上下册数学口算题大全四年级上下册数学口算题大全 4000 80 2400 200= 42090 170320 520260= 910190= 35200 22200 8800 400= 9300 300= 6300 1800200 9300 30 28040 304199 390 26 1250 50 2140 6600 220= 760198= 660220 500050 10091 753299 1740 10063 7515 4.4+15.99= 88-69.21= 63.1-11= 0.48+0.52= 1-0.98= 3.7+4.8= 8.36+0.64= 3.6+

13、0.87= 8.16+3.7= 0.33+9.8= 81090= 63070= 10020= 72090 =24080= 6010= 15030= 45090 = 36090= 21070 = 32040= 45090 = 16040= 36060 = 18090= 15050= 32080= 40050 = 36060= 4020= 72080= 48080 = 35070= 7010 = 四年级上下册数学口算题大全四年级上下册数学口算题大全 10050= 64080 = 8040= 10050 = 20040= 30060= 14070= 54090 = 16040= 24040 = 18

14、060= 63070 = 54060= 36030 = 40050= 18090= 18030= 48060= 40050= 8040= 57030= 72060 = 90030= 16080 = 42070= 6) 96060= 7) 42060= 8) 9 0050= 9) 420 10= 10) 62020= 11) 24080 = 12) 40040 = 13) 63030 = 14) 95010 = 15) 74010= 16) 84030 = 17) 68040 = 18) 8226 = 19) 38020 = 20) 62010= 21) 30050 = 22) 14070 =

15、23) 30010 四年级上下册数学口算题大全四年级上下册数学口算题大全 = 24) 94010 = 25) 36040= 26) 84030 = 27) 68040 = 28) 8226 = 29) 38020 = 30) 30050= 31) 85010 = 32) 9606 = 33) 99090 = 34) 21010 = 35) 24060= 36) 53010 = 37) 30050 = 38) 85010 = 39) 9606 = 40) 99090= 41) 21010 = 42) 30050 = 43) 96080 = 44) 18090 = 45) 30050= 46) 9

16、6080 = 47) 18090 = 48) 98070 = 49) 24080 = 50) 28040= 51) 98070 = 52) 40080 = 53) 97010 = 54) 27030 = 55) 100050= 56) 40080 = 57) 97010 = 58) 27030 = 59) 100050 = 60) 67010= 61) 18030 = 62) 22020 = 63) 49070 四年级上下册数学口算题大全四年级上下册数学口算题大全 = 64) 35010 = 65) 99010= 66) 86020 = 67) 96030 = 68) 88040 = 69)

17、48020 = 70) 67010= 71) 18030 = 72) 22020 = 73) 49070 = 74) 35010 = 75) 99010= 76) 86020 = 77) 68020 = 78) 30060 = 79) 90010 = 80) 90020= 81) 77010 = 82) 69030 = 83) 9906 = 84) 95050 = 85) 6030= 86) 26010 = 87) 54060 = 88) 58010 = 89) 26020 = 90) 68020= 91) 30060 = 92) 90010 = 93) 90020 = 94) 77010 =

18、 95) 69030= 96) 9906= 97) 95050= 98) 36060= 99) 47 010= 100) 1000 10= 四年级上下册数学口算题大全四年级上下册数学口算题大全 54090= 47) 40/20 = 48) 60/20 = 49) 90/10 = 50) 140/20= 51) 270/90= 52) 630/70= 53) 270/90= 54) 250/ 50= 55) 490/70= 56) 420/70= 57) 40/10= 58) 9 0/10= 59) 100/20 = 60) 20/10= 61) 200/50= 62) 630/70= 63)

19、420/60= 64) 270/ 30= 65) 720/90= 66) 30/10= 6 7) 320/40= 68) 6 30/90= 69) 60/10 = 70) 270/30= 71) 350/50= 72) 360/90= 73) 140/20= 74) 450/ 90= 75) 140/70= 76) 160/20= 77) 420/60= 78) 300/60= 79) 80/2 0= 80) 160/80= 81) 40/20= 8 2) 560/80= 83) 4 50/90= 84) 320/4 0= 85) 450/90= 86) 80/20= 8 7) 40/10=

20、88) 20 0/40= 89) 270/30 = 90) 630/70= 91) 140/20= 92) 540/60= 93) 300/50= 94) 360/ 40= 95) 540/60= 四年级上下册数学口算题大全四年级上下册数学口算题大全 96) 720/90= 97) 150/30= 98) 210/70= 99) 360/ 40= 100) 420/60= 12.3+4.06= 0.75+0.4= 1.34+0.8= 9.5-2.7= 1.8+8.18= 7.82-7.2= 8.7+0.03= 2.7+3.9= 9.3-8.8= 1.9+25.79= 7.85+3.4= 3.0

21、7+3.65= 1.83+2.7= 13.8+9.9= 4.29+2.1= 8.3-2.63= 1.7+0.43= 5-0.44= 12.6+3.42= 19.8-5.6= 14-0.14= 4.64+15.36= 0.99+1.8= 2.56-0.37= 3.9+2.03= 2.14-0.9= 7.55-4.1= 0.87+5.68= 13.3-5.28= 7.87+5.66= 62.3-1.25= 5.7-0.93= 10.5-3.25= 6.4+1.89= 4.1+28.9= 25.13-1.8= 5.87+35.26= 3.08+5.83= 5.62-4.2= 16.52-1.08=

22、35.85+8.04= 30.07+39.65= 11.83+62.7= 3.8+9.9= 54.29+27.1= 98.3-2.3= 10.7+0.93= 5.64-0.44= 1.6+68.42= 四年级上下册数学口算题大全四年级上下册数学口算题大全 85.8-56.6= 20.2-7.09= 24+9.18= 10.89-10.25= 1.1-0.55= 2.22+0.8= 2.2-0.75= 54.78-10.24= 50.42+20.98= 2.34-1.2= 66.37+8.5= 8.02+15.28= 108.5-35.05= 0.32+1.57= 9.25+2.25= 9.23

23、+4.52= 24.8+1.46= 5.58+1.89= 0.78+2.2= 0.8-0.45= 6.45-3.29= 92.7-0.05= 87.68-20.7= 75.8-17.5= 42.5-23.65= 56.2+9.38= 67.3+23.92= 4.72+8.49= 5.63+1.27= 9.06-1.59= 7.95-4.9= 8.02+5.08= 18.5-5.07= 4.32+18.7= 5.65+8.95= 7.3+49.52= 54.8+9.4= 6.8+89.8= 0.78+2.2= 0.6-0.59= 66.5-3.2= 55.63-5.6= 11.3+80= 四年级

24、上下册数学口算题大全四年级上下册数学口算题大全 15.6-4.4= 8.4+35.76= 8.8-2.69= 62.9-2.17= 6.08+12.3= 3.9+1.32= 15.78+23.9= 4.5-1.5= 3.7+7.25= 64.79-8.67= 5.3+19.45= 4.86-0.42= 3.06+8.45= 4.64+2.36= 7.8+45.22= 1.8+5.75= 0.63+4.5= 29.9+5.6= 4.78+3.94= 98.8+0.08= 47.3+5.04= 33.1-7.65= 6.07-5.63= 56.3-28.7= 1.62-1.58= 2.15+10.

25、86= 81.1-14.9= 4.2+3.76= 12.7-0.55= 7.68-2.74= 5.58-1.75= 12.45-0.65= 6.32+8.3= 27.3+73.2= 4.22+8.46= 5.63+1.25= 9.36-1.59= 7.65-4.19= 3.9+7.5= 16.9-1.79= 5.63+9.5= 4.6-0.52= 四年级上下册数学口算题大全四年级上下册数学口算题大全 3.56+5.75= 2.64+2.36= 76.8+5.2= 1.5+5.5= 0.68+4.85= 39.7+5.06= 2.42+0.59= 57.5+1.36= 6.09+8.04= 4.

26、98+1.89= 6.4+53.6= 32.01+5.05= 24.4-15.5= 3.6+20.02= 41.2-2.66= 4.4+7.68= 92.7-0.05= 87.68-20.7= 75.8-17.5= 42.5-23.65= 56.2+9.38= 67.3+23.92= 4.72+8.49= 5.63+1.27= 9.06-1.59= 7.95-4.9= 2.42+0.59= 57.5+1.36= 6.09+8.04= 4.98+1.89= 6.4+53.6= 32.01+5.05= 24.4-15.5= 3.6+20.02= 41.2-2.66= 4.4+7.68= 55.63

27、-5.6= 11.3+80= 15.6-4.4= 8.4+35.76= 8.8-2.69= 四年级上下册数学口算题大全四年级上下册数学口算题大全 62.9-2.17= 6.08+12.3= 3.9+1.32= 15.78+23.9= 4.5-1.5= 4.78+3.94= 98.8+0.08= 47.3+5.04= 33.1-7.65= 6.07-5.63= 56.3-28.7= 1.62-1.58= 2.15+10.86= 81.1-14.9= 4.2+3.76= 2.32+0.59= 6.5+18.9= 6.9+8.4= 4.9+1.87= 6.5+13.56= 33.51+5.5= 48

28、.43-15.65= 3.36+0.92= 41.92-2.6= 4.5+17.58= 5.63-5.21= 1.3+8.56= 14.6-0.34= 8.24+3.76= 8.88-2.69= 42.5-22.17= 6.2+12.63= 3.8+1.37= 15.28+28.99= 4.65-1.15= 4.08+3.96= 28.8+3.58= 四年级上下册数学口算题大全四年级上下册数学口算题大全 45.03+5.4= 34.71-5.65= 68.07-5.63= 6.3-2.07= 51.62-16.58= 22.15+16.96= 51.16-14.6= 4.6+3.76= 3.9

29、4+35.6= 41.43+22.68= 7.08+28.95= 28.3+1.95= 19.29-9.3= 6.8-5.05= 25.63-7.52= 25.9+31.1= 99.1+1.9= 35.5+25.4= 32.5+6.84= 35.43-15.3= 101.7-81.65= 17.26+56.17= 53.69+39.05= 8.99+58.06= 26.5-15.7= 27.37+6.58= 50.43-34.4= 13.29+25.58= 11.3+31.25= 9.37-6.8= 44.9-31.9= 20.1-19.9= 71.4+22.57= 7.06+2.87= 0.

30、8+82.2= 2.55+9.45= 51.9-21.8= 29.4-8.83= 四年级口算（八）四年级口算（八） 四年级口算（七）四年级口算（七） 四年级上下册数学口算题大全四年级上下册数学口算题大全 5.12+7.84= 7.56+4.36= 81.9-56.45= 35-15.6= 18.26+3.8= 71.05+2.25= 40-27.35= 16.09+7.01= 3.46+5.05= 11.16-2.36= 145.8-15.3= 128.9-17.7= 35.5+41.9= 13.56+24.44= 33.8-25.6= 158.3-38.2= 4.97+7.29= 18.9+

31、27.1= 0.9+121.1= 96.7+16.3= 23.5-4.05= 5.4+73.65= 1.8+3.09= 75.9-38.7= 51.2-11.2= 22.13+4.07= 76-47.88= 39.1+2.09= 48.6-47.9= 1.6+20.47= 211.9-11.8= 31.7+57.7= 9.81-0.09= 28.23-2.02= 198.3-25.1= 132.8-59.8= 91.9-21.1= 9.28+1.69= 59.9+41.1= 97.8+14.55= 四年级上下册数学口算题大全四年级上下册数学口算题大全 29.8-3.5= 57.62+5.5=

32、0.95+9.65= 36.9+6.1= 30.5-15.6= 9.05-3.4= 26.7+13.3= 41.9-5.8= 16.89-2.46= 85.6-45.1= 7.94+18.5= 4.28-1.93= 9.53+3.3= 36.1-31.4= 5.02+3.73= 44.6-15.15= 21.2+58.36= 9.07+48.1= 17.6-6.29= 13.47+85.4= 3.29+12.5= 62.3-33.75= 4.83+10.51= 13.98+16.3= 6.03-3.7= 9.84-2.77= 8.15+32.5= 35.82-5.67= 5.69+17.2=

33、4.25-2.11= 80.09-14.49= 11.89+7.74= 8.41-1.16= 4.05+44.83= 57.63-40.43= 25.54-17.32= 4.46+36.8= 25.64-5.01= 四年级口算（九）四年级口算（九） 四年级上下册数学口算题大全四年级上下册数学口算题大全 34.9+35.5= 74.32-8.75= 5.93+6.13= 37.5-4.06= 10.73-2.19= 14.01+3.99= 8.63-7.73= 27.9+25.55= 11.43+8.34= 26.8-17.06= 67.1-49.05= 13.74+9.53= 7.25+5.2

34、3= 3.84-3.48= 9.15-7.4= 4.42+16.34= 33.46-16.06= 8.74+13.82= 3.36-3.29= 46.1+6.95= 17.01-3.72= 29.22+6.33= 83.2-7.9= 47.2-19.6= 39.8+6.79= 9.11+15.9= 85.2-59.3= 3.17+5.6= 6.9-1.15= 8.75+6.7= 4.78+19.4= 43.2-35.5= 4.47+9.64= 69.2-30.4= 16.08+7.78= 12.25-7.62= 36.28+24.9= 51-35.6= 四年级口算（十）四年级口算（十） 四年级

35、上下册数学口算题大全四年级上下册数学口算题大全 6.11-2.2= 4.86+17.4= 65.16-30.01= 34.9+9.09= 3.92-2.1= 16.3+28.1= 3.57+11.5= 34.1-12.05= 10.37+8.6= 39.5-7.2= 28.04-5.8= 2.37+6.94= 61-10.7= 8.46+5.38= 5.36+4.1= 14.8+16.2= 15.16-2.4= 16.18+45.96= 0.51+2.86= 11.52+22.74= 31.26-2.9= 32.6+5.97= 31.28+13.82= 22.81-10.92= 50.36+1

36、5.63= 2.6+16.44= 21.55+20.6= 5.66+1.44= 1.69+5.88= 51.26+5.8= 27.3+4.4= 53.6-16.83= 22.54+6.66= 13.2-1.66= 24.5-1.9= 51.62-2.8= 23.4-12.48= 4.56+12.56= 四年级口算（十一）四年级口算（十一） 四年级上下册数学口算题大全四年级上下册数学口算题大全 46.25-5.6= 23.56+12.45= 22.11-3.87= 63.25-7.78= 24.26+15.83= 18.37+15.7= 1.83+9.26= 13.02+5.99= 31.24-

37、16.5= 10.33-7.7= 16.5+43.25= 60.03+19.57= 16.59-1.66= 43.33-5.6= 28.16-6.9= 38.19-2.6= 13.8+37.85= 17.51-3.6= 55.16-22.37= 2.37+1.68= 73.28+1.44= 30.73+9.5= 13.6-12.69= 41.52-23.51= 23.6-1.77= 30.26-16.45= 2.77-1.78= 16.73-8.16= 36.45+17.49= 29.4-1.66= 43.16-8.8= 26.5-13.66= 55.1-44.9= 36.45+3.55= 6

38、.69+1.8= 55.33-6.9= 20.88-19.5= 12.34+23.45= 四年级口算（十二）四年级口算（十二） 四年级上下册数学口算题大全四年级上下册数学口算题大全 32.14+5.6= 47.11-28.22= 25.36-23.79= 5.3-2.89= 2.09+43.6= 16.25+8.67= 13.44-2.48= 49.2-13.61= 13.16+8.48= 11.04+6.98= 1.3+9.77= 7.8+13.22= 16.88-7.91= 31.55-8.6= 3.68+16.33= 15.6+15.06= 15.32-6.83= 38.38-46.46

39、= 12+8.2= 25.7-6.2= 3.48+6.6= 2-1.07= 2.31+8.49= 23-0.3= 11-1.1= 17.3-0.6= 8.8+32.2= 7.6+3.12= 2.3+26.52= 16.4-3.5= 9.9+2.01= 1.9+9.3= 2.3+4.5= 2.4+5.27= 1.4+46.6= 3.6+23.9= 4.09+2.6= 6.9+2.01= 四年级口算（十三）四年级口算（十三） 四年级上下册数学口算题大全四年级上下册数学口算题大全 31.9-1.8= 9.7+32.3= 51.2+0.12= 2.34+3.4= 0.11+4.2= 8.12-0.82

40、= 31.8-0.9= 42.9+6.5= 5.36+6.7= 4.4+6.57= 3.5+16.8= 2.5+7.05= 4.5-3.9= 3.07+4.98= 7.6-3.26= 4.9+24.1= 3.7-0.07= 9.7+3.03= 2.8+4.08= 5.4+8.7= 6.87+2.2= 5.3+23.7= 9.5-0.05= 0.34+12.6= 8.9+0.21= 4.6+23.45= 1.09+9.6= 8.7+9.6= 34.7+3.3= 8.4-4.6= 25.8-4.5= 3.1+3.9= 7.5+41.5= 6.12-6.1= 64.7+0.5= 31-0.8= 22

41、.8+4.9= 7.6+1.9= 2.5-0.05= 四年级口算（十四）四年级口算（十四） 四年级上下册数学口算题大全四年级上下册数学口算题大全 3.6-0.09= 3.9+8.1= 9.8+1.6= 11-0.67= 3.3+7.68= 6.5+6.05= 5.9+3.1= 6.1+3.8= 5.4-4.6= 2.13+2.7= 4.9+2.6= 15-1.6= 1.02+2.8= 5.3-3.5= 4.4+1.6= 6.06+3.4= 35.4+7.6= 7.7-0.8= 18-0.9= 3.3+3.06= 5.4+2.66= 5.86-0.8= 10-0.25= 5.5+5.75= 6.

42、1+1.9= 0.7+30.5= 2.5-1.3= 15.4-0.6= 4.3+5.6= 1.8+5.57= 10.6-0.3= 6.3+4.56= 25.4-3.5= 19.8+3.3= 6-0.35= 7.3-0.7= 2.5+5.63= 13.4+6.5= 四年级上下册数学口算题大全四年级上下册数学口算题大全 18-0.8= 2.4-2.02= 1.6+21.34= 3.3+4.5= 2.5+0.75= 5.4-0.3= 9.2+0.08= 12.5-6.5= 7.1+42.9= 5.6+5.5= 3.2-3.01= 6.45+2.5= 2.9+1.2= 5.3+23.7= 10.2-0

43、.5= 1.4+6.06= 47.9-10.9= 2.3+8.77= 11.2-2.4= 38-16.5= 9.9+12.1= 29.8+10.2= 17.8-2.9= 2.3+0.07= 6.04+3.96= 7.2-6.8= 10-3.5= 3.4-2.9= 13.6-8.6= 27.6-6.6= 8-0.4= 7.7-3.9= 5.8+3.2= 0.8-0.3= 6.25-3.2= 18-0.58= 13.8+1.9= 41.5-3.8= 四年级口算（十六）四年级口算（十六） 四年级口算（十五）四年级口算（十五） 四年级上下册数学口算题大全四年级上下册数学口算题大全 3.56+6.4=

44、41.5+3.7= 4.7-2.65= 43.19+5.1= 52.7+7.53= 1.23+0.77= 4.3-3.4= 1.39+8.7= 1.81+3.3= 8.9+2.1= 3.6-24.8= 1.72+6.7= 12-1.2= 9.5+0.9= 5.9-2.2= 25.3+6.6= 16-0.53= 37.5+4.61= 7.58+0.3= 12.5-2.7= 10-7.6= 22.9-2.8= 1.18+20.9= 56.8-3.9= 35-4.5= 2.5+9.45= 6.35-1.5= 53.6-15.4= 8.08+2.02= 4.19-2.1= 2.27-0.5= 3.12

45、+5.19= 37.15+2.85= 5.41+42.6= 45.2-15.2= 14.41+2.09= 26.1-19.4= 6.45+25.3= 四年级上下册数学口算题大全四年级上下册数学口算题大全 14.29+5.11= 37.15-45.02= 12.5+5.64= 23.05-16.02= 5.93-3.6= 11.3+23.65= 9.17-5.06= 45.1-25.1= 9.58+4.3= 26.1+4.59= 4.6+18.67= 4.85+2.5= 3.3+9.8= 34.5-21.6= 8.66-2.46= 28.5-3.8= 25.6+14.4= 75.6-26.4= 3.07+20.5= 20.3-17.1= 24.3-12.24= 28.25+3.15= 31.26-12.5= 4.66+12.4= 16.72+0.6= 30.1-10.05= 23.