小升初口算训练宝典58.docx

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1、40+2.6=1948=3.2 + 0.8=48X50%=9321461-k =4 =4476 37, 56.09+0.83=6.01 + 1.05=12.5X8=1.5 + 5二97 + 20=920-210=17X50=80+10=5-2.2=6+45 =1.4 + 0.2=12X30%=7331469=9 +=4-= X 二44555786.92+0.47=5.46 + 2.9=1.25X64=210 3 二76+60=940-410=8X20=240 + 20=10+1.5=6+45=0.6 + 0.1 =36X40%=5217331=8 +=+ = 一X =33264246.92+1

2、.45=6.95-1.81=1.25X8=2.84-4=87 + 34=740+560=4X10=280 + 70二19 + 2.1=4 + 21=6.34-0.7=6X10%=13519155 =3 + = 4- = X 二662886440+2=91一 十 一 二556.45-2.01=5 14=5.08 + 2.13=4 + 0.8=0.125X2=6729=950+90=14X40=79+0.8=123=0.8 0.1二58X10%=10 + 2=36030二4X5%=151十二885.35-2.18=87-9=79+0.6=156.92 + 2.61=71-28=51+2.8=5.6

3、5 + 2.44=5.6+2.41 =750+330=1 36=6.88+1.11=800+460=9 30=6.08-2.82=50X32=63 + 7=2X40=20-h10=0.9 0 .仁58X60%=1X 二72.5X2=13X30=4.8 + 0.8=9X 二825 X 64=280 + 7=180 + 20=48 X 70%=304-5=37-1.9=91十=886.52-1.45=8. 34二5.08 + 1.15=94+5=640+10=26-0.5=418=153.2 - 0.4=1X 二80.25 X 64=14X30=4.84-0.8=40X50%=100 2=1809

4、60=6 X 70%=6.42-2.74=6.76-2.82=0.5X16=540 + 6=8434=40 + 0.3=171885.62+1.31=830+100=447=18X40=1.4 + 0.7 二125. 3180 20=56X40%=66-50=38+0.2=97885.32-0.96=5.29-2.08=710+510=140=42 =76.2+2.41=12.5X4=200+4=15X10=160 20=0.5 + 0.1二 44X10%=1 815X=X二2 7261.25X64=28+ 7=63+0.6=73446.71+2.37=62+4=64-24=26 二75.61

5、0.84=700230=34-0.5=12 X 二4325 X 32=7X40=50 X 40%=71X =688.4 6二720 60=340=6.34-0.9=54 X 90%=72335.93+0.88=6713=5.51-0.29=12.5X16=1804-2=740-10=7X20=80 20=47 + 2.2=139=4.5 0.9二48X25%=93445.26-0.33=12 26813X=X-57345.47+0.71=0.125X64=20+4=95-2=650+350=1X50=4504-50=32+0.1=3.64-0.6=28 X 70%=156776.340.16=

6、26 +=55.01-1.84=41不；0.5X4=163, 5210 + 7=23-0.4=7+42 =4.24-0.6=40 X 60%=7 224851=4 += X = X 二33337675.64 + 2.29=6.84 + 2.22=50X64=1204-4=93-22=890-230=5X50=1404-20=38+1.7=14-24=0.54-0.1=26X50%=5113711=6 +=4-=4-=22748525.48-2.12=5.43 + 2.14=0.5X8=280 2=93 + 53=980+520=13X30=420 + 70=65-2.3=3 + 16 =5.6

7、4-0.8=8X20%=6416252+ =8 一二 X 二一X =55253435.87- 1.51=5.58 + 1.32=50X8=5 5二78-10=620-110=15X30=520 40=62+1.1 =6 + 29 =1.64-0.8=28X5% 二3111114 + =2 = X 二一X 二22324536.76+1.19=5.67-0.74=0.25 X16=30 + 6=52-2.2=31226.04+1.08=618=0.8 + 0.8=10X30%=214331 H=- X = X -383445.03+0.22=50X2二1.4 + 7=88+11=620250=16

8、X40=600 + 50=17+2.9=2 36=0.6 0.6二50X60%=4111118=9 + 二 X 二 一4-二33222575.69+0.37=6.84-2.12=0.5 X 8=98 + 7=61-48=75-1.9=73一 + 一 二446.41+0.28=610+180=11X10=90+10=543=2.5+ 0.5=8X80%=191117H=+=一+一二285376.26-2.52=12.5 X 8=60 + 2=89-32=960+590=20 X 30=130+10=31+0.5=114+=555.55+0.64=5 24=5.4 + 0.6=52 X 90%=2

9、11448 二X二一X二353535.27+0.79=125 X 2=320+4=49-3=7 + 35=2.7 + 0.3=20X70% 二5111411十=3 = X 二 4-二22283676.36+1.98=6.161.94二50X2=440+4=95-45=880-470=4X10=500 + 50=63-1.5=94-28=2.4 0.4=16X20%=93297631二 8二 一X二 一 X二44388545.59 1.95=6.34-1.02=0.25 X 64=98 + 7=84-28=900-250=19X50=360 + 60=35 2.4=8 + 33=0.44-0.2

10、=10X25%=31238934 5 =2234, 78. 45.38-0.74=5.63-0.02=2.5X4=24-2=70+15=960350=19X10=780 + 60=79+1.8=8 + 38=30.6=54X70%=5111353+=5 +=4-=33222645.16-2.86=6.77-2.19=0.125X32=540 + 6=38-3=2 36=6.44-0.8=38X70%=66+1.8=8 + 15=2.74-0.9=2 X 80%=4146228 + =3 + = 4-= 4- =33553376.16121=6.48 + 2.46=50X32=1.2 + 2=6

11、8+23=820-70=10X20=600 60=68+0.5=74-11=2 + 0.5 =26 X 90%=17741117一Q _ V _8878, 2865.25+0.09=6.05 +1.38=0.125 X 64=4.8 + 6=720 + 60=76 + 31=880+340=4 X 50=3127158 =3 + = X =X 二22388675.4+1.7=6.29+2.18=50 X 64=1.8 + 6=9226=610+170=11X30=6504-50=112.2二5 28=2 0.4=38X80%=8155161 二 9 = X = X ：77744576.5+0.

12、6=5.45-1.68=1.25 X 8=404-4=6755二730+30=18X50=700 + 50=23-2.4=24-15=4.24-0.7=58X40%=15131 159十 4 + 一X一88545685.42- 0.67=6.3 + 0.23=125 X 64=160+4=91+59=890+530=19X20=120+40=82-1.3=9 + 38 =4.2 + 0.6=44X50%=5121735十=7 一二 4-二 X 二22556246.59-2.13=6.08-1.23=0.125X4=12 + 3=80+38=770-150=11X50=420 + 70=28+0

13、.3=51一 + 一 =226.51-1.77=85+49二76-3=97888 13=17 =56.75-2.82=650-230=54-42=12 二31.44-0.2=1 51.25X32二2X20=3.64-0.4=13X =2414X40%=13X 二52394-3=600 + 60=58X60%=41X 二3839-1.4=9+13 =4.5 + 0.5 =24 X 50%=7121581+=1 =X = 4- 二33526756.48 + 1.12=5.11+0.1=0.25X32=214-3=82 + 33=770+480=14X40=1404-20=63+0.8=44-46=

14、1.84-0.3=28X25%=3113161十 =4 + 二 4-二 一X 二22248586.92-0.75=5.93 0.93=12.5X64 =520 : 4=80+11=750-380=2X30=60 + 30=48-0.3=2+41=1+0.2 =60X10%=9741114+ =2 + =4-=X =88543235.32-2.05=6-2.23=25X8=7 + 7 =62 39=750+330=17X20=390 30=53 + 0.7 =9+12 =2.74-0.3=8X5%=15721719 + =2 + = X 二 一X 二88568885.12+1.24=6.53-1

15、.98=2.5X64=15 + 5=8157=840570=17X10=260 - 20二68 2.7=2 + 37=5.6 + 0.7=32 X 25%=97886.87-0.82=141143 +=X二一X=254855.02 + 2.36=0.125 X 2=220.2=74+45=630 +190=12X 40=80+40=18-1.9=2+40=0.54-0.1=18 X 60%=7537119 十 =4 = X 二 4- 二66588887-1.04=5.62+1.32=25 X 64=40 + 2=68+ 56=800+30=19X50=420 + 30=78-2=6+40=1+

16、0.2=42X5%=15611313=8 一 = X = X =77324546.62+1.58=6.86-1.92=5X32=280 + 7=87-37=710+590=14X10=260 + 20=72-0.8=44-15=2.1+0.3 =58X40% 二11411116+=2 =4-= X 二55262375.54 + 2.62=5.95 + 1.25=125 X16=120.6二88 + 0.5=7 + 36 =1.5 + 0.5 =56X10%=7111571+=9 +=4-二 X 二44766846.18 + 1.63=5.79 + 0.28=5X64=1404-2=72 + 2

17、2=970-400=6X50=60 + 20=10+2=64-30=1.54-0.5=36X50%=4153171=8 +=4-=4-=33742866.87-1.17=6.98 2.95=2.5X16 =3 + 3 二68-12=650+310=9X10=350 + 50=80+2.2=2 + 30=3.54-0.7=14 X 40%=9727121+=7 二 X 二 4- =88787385.56+0.51=5.391.45=0.5X8=700 5=63 + 58=900-60=15X20=560+40二68-0.5=34-19=3.24-0.4=20 X 20%=9311179+=2 =

18、4- =4- =4 4725685 2.07=5.52-0.19=0.125X4=2.8 + 2=67-7=800+560=19X10=120 60=5 + 1=9 + 34=44-0.8=22X25%=8618417=9 += X = X 二77275265.45-1.63=5.7-0.83=125 X 8=210 + 3=6346=870+390=5X20=840 + 70=54+1.1 =2 28=2 + 0.4=52X60%=52335.49+1.89=434113 + 二 一4-二 一X 二543485.05+0.2=1.25 X 64=98 + 7=7444=890-340=4X1

19、0=780 60=49+0.3=942=2.4 + 0.3=34X25%=6X 二76.06+0.12=5.04+0.73=0.5X16=840 + 7=77+16=87-0.7二31226.57-2.78=810-180=1X40=400 + 50=84-11=4.54-0.5=40X30%=283365 +=4-二 X 二772456.21-2.15=0.125 X 8=24 + 3=5 + 2.2=8 + 33 =2.74-0.9=20 X 60%=7211611十=3 =4-=4-=33267266.33 1.23=5.34-1.63=12.5X2=5.5 + 5二64-14=710+

20、300=17X30=140 + 70=17 + 2.3=94-21=24-0.5=24X10%=11147147+=9 +=4-=4-=55767365.84+1.16=5.05 + 2.49=1.25X8 =240 3=91-33=920-520=17X30=200+40=41-1.1=2+45=7.24-0.8=30X20%=4236511=4 一二 X 二 X =33574556.47+2.31=5.52 2.78=2.5X64 =0.2 2=95+47=740+380=11X40=14020二5 + 1.8 =44-17=2.44-0.3=14X60%=7111314 一=4 二 X

21、二4-二44222236.04-1.74=5.16+1.48=1.25 X16=524-4=64-1.9=94-26=3.6 + 0.4=10X40%=13527781十=4 =4- 二 X 二66588726.64 + 2.75=6.81-2.13=0.5X32=3.6 + 3=82-5=620+600=4X30=500 + 50=26 + 2.8=5+43 =0.94-0.9=44X50%=52196113 * , * 3358, 56. 36.12+1.85=6.32 + 2.14=0.125 X 64=240 + 2=79 55=800-280=18X30=350 + 50=580.8

22、=4 50=0.4 - 0.1=32X60%=8117151十 =2 =4- - = X =77368465.19 + 2.59=5.93 + 1.81=0.125X16=8+4=87+42=620430=11X50=480+40=6-2.5=6+43=5.6 + 0.8 =14 X 40%=9121711=4 +=4-二 X 二44558265.43+0.23=5.76-1.46=0.125 X 8=280 + 7=39-3=147=0.8 0.1=16X5%=175.28 + 2.26=6.071.38二0.5X8=1.8 + 6=71+31=880590=11X10=630 + 70=8

23、72.8二640=0.8 0.2二58X20%=1775.03+0.33=5.85+0.22=0.125X2=2.44-6=92 30二920+180=17X50=780 60=69+0.3=716=7.2 + 0.9=12X50%=8X 二76.60.72=5.05 + 1.68=1.25X4=102=71-30=900+590=8X50=490 + 70=65+0.6=544=10.2=10 X 40%=7X 二66.15-2.25=5.92+1.17=0.5X16=3 + 3=14-0.7=5 + 32=7.24-0.9=38X80%=4111867+ =5 =4- - = X =332

24、27785.23-1.17=6.4+0.65=0.5X16=2.8 + 4二62 + 27=940-460=17X20=200 4- 20=38-1.5=3 + 26=0.84-0.8=52X60%=15136771 =3 = X = X 二77558836.36+0.69=5.95-3=2.5X4=4 2二88-17=700-170=11 X40=770 + 70=41 + 1.1=6 + 30=1.24-0.4=34 X 90%=17119131-I- - -7 -k =二8878, 42, 26.2+1.58=5.11 + 2.33=0.5X4=2604-2=64+59=630+360=

25、11X20=4004-50=33 + 1.7=64-10=2.84-0.7=18X25%=7115111=5 +=4-= X =33343345.87-2.45=5.89-1.55=2.5 X 32=100 + 2=33 + 2.2=2 + 30 =0.44-0.1=52X25%=9125514=3 += X = X 二55344256.67 + 1.94=5.56-0.21=5X8=350 + 7=9643=930+190=1 X 40=420 + 30=74-2.1=34-11=3.64-0.4=38X30%=13152511+=1 = 4- =4-=66734245.53-2.94=5.

26、14-1.55=2.5X4 =12 + 3二80-27=920+510=17X20=520+40=81+0.1=7 + 29 =1.84-0.2=54X30%=5113524+ =1 + 二 X 二 X =33244336.27+0.2 =6.3+0.57=2.5X2=2.4 2=96 56=920-170=6X20=40+10=43-0.2 =8 + 39 =0.44-0.4=52X25%=15115143 + =6 = X 二 X 二88248326.94-1.27=5.24+0.97=0.25X4=144-2=7245=52 + 2=64十二555.73 + 1.02=880+430=4

27、4-12=32 ：59X40二0.7 - 0.7二68 + 2=6.22-1.53=1.25X4=850+180=2X10=210 30=10X30%=0.64-6=30+10=71+0.8=8 36=1.8 + 0.6=10X30%=31225.64-2.45=30+2=9+46=3.64-0.4=56X50%=394133 +二X二一X=583445.53 + 2.18=50X8=650 + 5=7010=84 - 49=920 +190=4X 40=151775.11-0.36=114111 + =4-二 一4-=325255.52-1.63=0.125X 4=700 + 7=98 +

28、35=870+50=7X50=700 70=73-0.1 =2 32=0.7 + 0.1=111一十 一：666.48 0.9=2161 +=4-二5655.73 + 2.08=5X32=12X80%=6 17 T =1.2 3=49一1.9二9+46 =2.14-0.7=56X60%=3111971 + =5 + = 4- = X =22228625.02+0.83=5.87 + 2.86=25X2=16+4=67+45=630 + 30=16X40=1504-30=85-2.7=8+18=0.54-0.5=38X30%=3111171=3 +=4-二 X 二22223625.76-0.11

29、=6.741.97=50X4=42 + 3二77 + 39=930-190=19X10=100 4- 20=86 + 2.2=4 + 27=2.4 + 0.4=56X80%=3111599二4 二 X 二 一X =22274885.46-1.19=5.87+0.31=2.5X4=2+4=87+26=640 - 270=17X50=660 - 60二29-0.4 =2H-11=1.2 + 0.6 =60X5%=8616171 十 =7 = X =4- =77253675.19+0.46=6.9-0.48=2.5X 8=1.6 2=42-2.9=7:41=1.2 - 0.3=16X5%=91445

30、.6+0.57=213154 +=X二X二552246.88-2.76=25 X 64=180 + 6=94 + 21=930+480=2X10=560+40=81-1.2=8 - 36 =2.4 + 0.3=26X30%=3121773十=2 +二 X 二 X 二22776626.39 + 1.01=6.04-2.2=25X2=1.8 + 3=80+10=910 330=13X20=120 + 20=38+2.1=9 + 37=1.4 + 0.2=38X70%=3124579=5 + =X =一4-二223368880+57=890+70=20X50=350 50=65 1.2=713=2.

31、8 + 0.4=46 X 20%=5.93 + 2.36=6.77 +1.43=50 X 32=2 + 2=7114211=2 +二 X =4-二66233585.13-1.64=6.14+1.26=12.5X4=700 + 5=31+2.5=31226.12+0.25=5.51-2.25=0.24-0.2=125X32=38X80%=1.8 + 2=70-32=53-0.5=71十二445.78-2.95=69+46二43+0.4=75一 + 一 二666.36+0.05=620+10=54-39=15 =25.68 + 1.4=660+320=14-36=22 =35.98+1.84=19

32、X10=2.14-0.3=42X 二335X2=4X40=4.84-0.6=54 X 二6 50.5X8=90 30=34X10%=7 1X =6218 2=1804-20=36X40%=61X =55480.4=79 + 3=47-2.7=151+=886.39 + 2.63=830-510=5X40=450 + 50=84-40=2.1+0.3 =34X60%=27713C 58, 84. 46.03 + 2.33=12.5 X 8=1.62=262.3=9 + 23=L8 + 0.9 =32X80%=8111321=8 +=4-=4-=77222356.05 + 0.94=6.44+0.

33、42=50X32=364-6=93-50=770+420=6X30=4504-50=87+0.9=1+23=0.34-0.3=22 X 20%=5114734 二5 = X 二 一X 二22236456.5-1.65=5.11+0.16=0.25X32=0.3 + 3=70+21=990-270=4X10=150 + 30=67 1.5=6 26=二4 X 90%=11414111=8 + = X = X =55758245.88+0.42=6.89 + 2.69=0.25X16=3.5 + 5=83+54=640+390=7X40=330 + 30=212.7=5 -11=0.5 + 0.1

34、=18X70%=7221963-I-=?-=-3333, 87. 25.23 - 0.72=6.67 +1.97=125 X 64=1.6 + 2=74-0.8=1 + 36 =1.44-0.7=14X80%=5139414+=6 =4-二 X 二22585436.4-1.33=6.23-2=50 X 64=1604-2=63-46=980-310=16X40=2104-30=23 + 2.7=24-20=7.24-0.8=12X80%=4231611 十 =7 二 4- 二 一X 二33557725.6 + 2.28=6.98 + 2.77=0.125X2=214-7=67-52=940-60=12X40=420 + 70=50+2.1=3 + 11=1.84-0.3=44X50%=15116665+ =1 + =X = 4-=77275545.98+1.52=6.28 0.14=12.5X16=3 + 3=94+28=900+280=5X20=840 60二17 +