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1、数学假期作业（1）、口算练习26+9=5738 =1500700=42X 2 =99+ 3=770+ 7 =660+ 3 =960+ 3=180+ 9 =65+ 15=660+ 6 =800X 2 =50+ 5 =3X 800=420+ 7 =3X 220=480+ 4 =58+ 33=42020 =93+ 3=880+ 4 =1200200=11X 7 =8046 =0+ 51 =0 + 76=2X 85 =70+ 7 =14X 2 =5X 900=24X11=43X 26=25X 22=36X 34=35X 13=57X 18=76X 14=38X 18=、竖式计算#二、脱式计算300-1
2、29- 3128+18312X( 300-296)(128+132)+ 5数学假期作业（3）、口算练习25 X 24+12523X 44-58#2X 200=84* 4 =0* 91 =930* 3=390* 3 =0 + 22=8357=29+ 68=6849=80X 7 =800-4 =330* 3=3X 23 =64* 2 =58+ 26 =34 X 2=550* 5=800X 8=420* 2=63* 3 =160* 4 =800+ 700=690* 3=580 =2X 440=8-2 =480* 2=60X 5 =2X 44 =840* 4 =36 X 43=53X 18=19X 2
3、3=28X 32=、竖式计算65 X 15=69 X 12=77 X 17=34 X 49=三、脱式计算840* 4X 336X 30+12925X 12* 6440- 4 =32X 3 =48* 4 =540* 9=90* 9=13X 3=600X 7=120X 3=480* 2=39* 3=560-8 =990* 3=3X 200=620* 2=660* 2 =640* 8 =880* 4=7500500=0* 91 =12X 4=3X 31 =0X 57 =120X 4=2X 97 =360* 9 =44 X 2=960* 3=32X 2 =2X 440 =460* 2 =、竖式计算74
4、X14=37X18=42X 28=38X 25=328 + 4=215 -5=432 - 6=872 - 8=二、脱式计算78+14 X 6540-9 -6320+16 X 27数学假期作业（1）、口算练习70 + 500=3X 33=2804=9X 400 =3X 330 =690-3 =49+ 33=7007=23X 3 =7836 =11 X 4=230X 3 =310X 3=390-3 =230X 3 =11 X 4=8255=310X 3=7209 =4700700 =600-3 =48+ 28=6408=4808 =7X 50=10X 89=69X 10=13X 30=23X 30
5、 =4X 90=、竖式计算386+479=321X 12=125X 23=18 X 250 =52 X 49=34X 54=106X 51=48 X 34=#二、脱式计算1500-125 X 8(25+38)X 15(62+12)X 38(48+52)- 2(59+187)- 3数学假期作业（5）、口算练习60 X 60=60X 40=90X 30=21X 40=30X 20 =40 X 90=2X 31 =33X 20=40X 70 =48+ 19 =70 X 6=4X 900=2X 310=20+ 35 =45+ 35 =32 X 20=70X 60=84X 1 =900X 6 =34X
6、20 =33 X 30=31X 20=700X 6 =84X 10=9X 800=70 X 30=2X 42 =8647 =5X 90=22X 30=二、竖式计算78 X 22 =416+ 4 =8238=63X 43=367 + 4=795X 53=79 X 97=二、脱式计算(48-12 ) - 6128+12X 15#(12+20)X 457X 8X 3222+12X 20数学假期作业（6）、口算练习30 X 23-60200-15X 10#690-3 =49+ 33=77011 X 4=230X 3 =31016X 4=8255=310600-3 =48+ 28=64010X 89=6
7、9X 10=1360 X 60=60X 40=90宁7 =23X 3=7836 =X 3=390-3 =230X 3 =X 3=720宁9 =4700700 =宁8=480宁8 =7X 50=X 30=23X 30=4X 90=X 30=21X 40=30X 20 =、竖式计算370 - 7=784-685=76X 15=486- 2=607 + 5=900-807=915+ 3=560+ 4=二、脱式计算45X 20+100(28+12)x 3028+12 X 30数学假期作业（ 17）192 + 4=602+ 7=839+ 9=口算练习40 X 90=2X 31 =33X 20=40X 7
8、0 =48+ 19 =70 X 6=4X 900=2X 310=20+ 35 =45+ 35 =32 X 20=70X 60=84X 1 =900X 6 =34X 20 =33 X 30=31X 20=700X 6=84X 10=9X 800 =70 X 30=2X 42 =8647=5X 90=22X 30 =6X 500=8X 70 =42X 20=400+ 300=5X 900=二、竖式计算87 X 19=362* 6=525* 3 =254* 5 =#二、脱式计算25+32X2352+18X 1265+11 X 1217+34 X1937+16X 28640 - 7=19X 64=47
9、0+ 9=312口算练习10X 33=22X 0=80X 70=200X 4 =0-20=6 X 60=22X 40 =44+ 20=40X 40 =43X 20=46 + 37=606宁6 =300宁6 =40X 11 =360宁9 =10X 34=40X 90 =90X 60=490宁7 =20X 34=300 X 3 =80X 4 =65X 0=330-3 =205宁5 =680-80 =21X 40 =80X 40=10X 37 =20X 50=二、竖式计算39 X 42168+ 8=370+ 5=8109=二、脱式计算61+12 X 2343+21X2348+52X 2145+32
10、X5587+35X 49数学假期作业（10）、口算练习2000+ 300 =880* 2 =7050 X 30=640* 8 =408360* 6 =99X 10 =1297 X 10=700* 7 =33200* 4 =31X 20 =60040 X 12=8447 =630X 20 =400* 4 =6X 66=* 4 =400+ 300=34+ 39 =X 20 =30X 80=41X 20 =X 30 =0* 59 =11X 80 =+ 90=4700700=4437 =* 7=7123=0* 43=二、竖式计算660 + 5=804-7=462+ 3=55 X 18=780 - 4=729+ 9=624* 6=75 X 26=二、脱式计算99+46 X 9744+81X 3331+98 X 7638+53 X4767+81X 90#31 X 30=21X 30 =43X 2=67X 2=75+ 18=23 + 48=90X 30 =30X 12=46+ 24 =80宁7 =42 X 20=100宁5 =10X 50=350宁5 =5229=240 X 2 =
