六年级小数简便运算练习题及答案

六年级小数简便运算练习题及答案

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

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

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

=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+70

99×101 =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

7123323353116―115―4.25― 19.82―6.57―3.4.6+3+5.+2.25+5+.63÷2.5÷6÷0.28331