六年级分数简便运算练习题及答案
练习题
六年级数学总复习简便计算练习题 一、口算。
10-2.65=7.350÷3.8= 09×0.08= 0.74÷0.4=607.5+0.25=67.756+14.4=20.40.77+0.33=1.1 11311135-1.4-1.6=5-3=280×0.125=80*=10 ÷3×=*×=8773749
二、用简便方法计算下面各题。
122221125-99998+124+3.2+5+6.12- 00÷125÷825×3575
12222=1125-=+ =+=12-2-1 =400÷=25*8*333557
252=1125-1000+=1000+1244=10+10=20
=10-1==400÷1000= =200*37=7400 75 =125+3=1=2244
1344131×121×2×× 125×8..35+4.25+3.65+3.7.4×99+3.46415734
6444137=*1
=×2×=34×2
+
34×
=125*=+=3.4*424157434
2474=*1
=*2=68+1=125*8+125*0.8=8+8=16=3.4*100=34041547 44=1 =1*2==81=1000+100=1100 1515
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5357152-3- ÷2+×0.125×0.25×32.3-2.45-5.3-4.564695119
5537115211=17.15- =17-4-=÷+× =**32=22.3-5.3-649511984
317552=17.15-10=13-3= =*+× =1 =17-7=104911119 7255=7.1 =×=91111
11757115134533×724.25-3-187.7×11-187.3×+57.125×-0.51×7-1÷4)121824822664
11757111141351453=×72+×72+×72=4+1- =187.7*=43×+57×- =315×4
4544413133232712445=2.42*+4.58×-*1 =2*6+2* =11- =4+3+6+=+5+3=5-2-19933325255555
74137322375= =2*2*6=11-8==4+5+=10+9=19=2- 12=1 1232585555 4=*6==10+10=20 17.15-8.47-1.5317
353253645353445114+2.25+5+77+4+2-1+1+-3+1 +1 0.75+ +0.37-2-1 845751171179797841717
31533513=4+2+5+=7+2+=5311+1611 -167=27-3+=+++ =5-4844848
351344315354=4+5+=10+=70--
7=+5=5=++==5-4=1844774488
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53=10+10=20 =1 =537
4444415515135344++99+9999.3-1-×4.25+÷ 0.625×0.5++ ×62.5%31 ×7÷31 1+5555666482813857 511151515441533544==9*4+4* =*+** =31 ÷31×7=1-1)668813576446828285
33511511444554=11107=48-20=28=*=*
=1×7=7=1-1+13135101066482257 =10*
99993117178172.5× 2×
+25×75%-7×0.7
0.25×63.5×13×2.5-×+1
1125-99101010104421521599817854413= =15+27=184235
19333111171171781*4*=22*+25*-7*
=*63-*1=6*2-2* =39+19+=1125-1044442421522158
599371111771=*4*=10*==*= =* =*2=5+5=10 =1125-1000+210104242215152
11 =*50=1 =2*= =125+4=12922=2
3331714547743 ÷[56×].5×10-×0. ×+÷+5×97×-37.5%+104×0.378521119197119158
137433333331714577=[110+]/=49*-49×=×4+* + =45* =897×-+104×521119191111259155888 133743 = =45*+45*-45* =× =÷=49255 =1110*1
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=491 2*10=4=
314×3.5×1174+1.25×210 +3.8÷5 =133311174*=32*14+14*210+345*5 4 =0 =*4 =*4 =*4
563×9991×9755+2996
11191991558711*11=
=35+12-27=20
=×38=1000×38=37572×156-56×725×32×12509×99+7099×101 =72*=25**12=70=72*100=25*8* =709*100 =7200 =200*500=100000
=70900439+100146+295888+9992100÷20
133126.6+2.5×675.3×99+75..6×3.7+54×0.30.125××8.25+12.5% .37-3.25-2548
131313111=2*6+2*6=75.3* =4.6*3.7+5.4*3.7=*+*8+ =8.37-1.37-52584848
133131==75.3*100=*3.7= =7-5=255844 1611=2*1=7530 =10*3.7=*2=584 566=*=33=325
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7123323353116―115―4.25―
19.82―6.57―3.4.6+3+5.+2.25+5+.63÷2.5÷6÷0.283314455884
7123132335131=11-=15-=19.82-=4.6+5.4+=4+5+=9.63/ =6/33144455884447733=11-= =19.82-10=9.82=10+10=20 =9.63/10=0.9=6*4=2881414
3551755585104522143-- ×+××+÷18× ×7+×5×86121212771516276335
755351159452114=3- = =*+* =18*+18*=* =*24-* 121278832271096312125
511112114=3-1==
=*+* =15-10= =10+10=20
=2*4+3*=*12=2-=1323231515 111 =+= =8+15=2=2*4=663 姓名: 总分:
2、怎样简便就怎样算。-7÷ 4 4 25 × 16
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+ 25 × 16 + 16 + 5- 5×+× 5355 8× 5÷ 10 12 12 18× 5 4 47 ×7+ 7 ?
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56 7 8 8 7 15 16 27 9
5)2×7+2× ×24 8)×153 ×7+3 ×5 11) 59 ? 712 ? 512 ? 95 1253
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? 6 ? 15 ? 56 63? ×4 ÷×30 - 11 - 11
18×58+1
8×41+185×15– 0.6×47313×31 10 -19- 121+ 1
113.09-8.12-4.825×32×125 ((( 姓名: 总分:
1、一个工人要加工120个零件,已经加工了80%,还要加工多少个?
2、一个工厂已经加工了一批零件的80%,还剩24个。这批零件要加工多少个?
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3、校园里杨树20棵,杉树棵数是杨树的60%,杉树多多少棵?
4、校园里杨树20棵,杉树棵数是杨树的60%,杉树比杨树少多少棵?
5、校园里有杉树12棵,正好是杨树棵数的60%,杨树多少棵?
6、校园里杉树12棵,比杨树棵数少40%,杨树多少棵?
8、工程队修一段公路,已经修了8.4千米,正好占全长的80%,这段公路全长多少千米?
9、某园林厂去年载树4500棵,今年计划比去年多载20%,今年计划载树多少棵?
10、一项工程,实际投资510万元,比计划节约15%,计划投资多少万元?
11、一个书架上层存放图书的本数比下层多30%,下层存放的图书比上层少15本,这个书架上、下两层一共存放图书多少本?
12、两辆汽车分别同时从甲、乙两地相对开出,甲车每小时行50千米,乙车每小时行60千米,经过4小时两车共行了全程的80%,甲、乙两地相距多少千米?
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