1、小数加减（一）73.4+52.1=93.1-20.9=63.1-11=0.33+9.8= 3.56-0.54=5-4.15=2.5+9.5= 2.87+1.13=12.56-10.2=3.65+1.92= 1-0.04=0.39+1.5=4+0.05=7.1-1.7=2.9-2=10-4.3=0.4+0.5=0.64-0.52=3.8+6.2=1.2+1.8=2-0.99=0.78+2.2= 2.5+3.2=9.8-4.8=1.29-0.18= 2.26+0.9=8-0.82=0.75+0.25= 1.4+0.5=10.8-8.5=6.4+1.07= 0.55+5.5=1.05-0.09=0.
2、6+6.45= 4.13-1.8=0.46+0.54=1.07-0.47= 1.28+0.22=2.4-1.9=0.06+1.5= 2.5-0.9=4.2+0.53=3.64+4.36= 5.6+4.4=0.4+8.7=4.5+3.8= 1.4-0.6=7.4-3.8=5-3.4= 0.28+0.41=3.8+0.12=0.57+0.6=小数加减（二）6.4-0.5=6.7-5.8=9.8-3.8= 7.8+6.4=4.6+2.7=4.5+2.7= 5-1.6=3-0.6=3-1.2= 6.7+7.6=5.4+7.8=2.6+3.6= 3.5-1.7=8.3-2.6=1.4-0.7= 4.5+
3、2.8=7.4+2.6=6.2+1.4= 5.4-2.6=2.3-1.4=3.7-1.8= 5.2+1.6=3.6+0.8= 0.66+1.4= 6.5-5.8=0.72-0.49=0.42-0.28= 0.24+0.19=2.4+1.3=4.5+2.3= 0.72-0.27=0.78-0.32=0.65-0.04= 0.23+0.16=0.29+0.15=0.16+0.19= 4-1.2=7-4.6=6-0.37= 0.28+0.27=0.75+0.42=2.3+1.9= 8-0.64=2.7-0.8=10-4.2= 7.1-3.9=4.3-1.4=2.6-1.6=0.8-0.3=0.65-
4、0.4=0.91-0.6= 1.8-1.6=4.8-0.5=3.2-0.4=小数加减（三）9.8-4.8=12-8.3=15.2-6.5= 20.1-11.1=13.34-10.32=6.52-0.48= 6.3-5.1= 8.7-3.6=14.3-4.3= 1.5+0.54=10-4.2=2.47+3.24= 2.98+0.56=5.64-1.78=8.02+0.98= 7.1-3.9=2.8+11.39=12.53+4.67= 7.2-6.45=1.65+3.35=7.96-1.45=60-1.27=6.07+4.89=5-0.41= 0.9+0.5=2-0.7=1.2+4.3= 0.12
5、+0.3= 5.4-2.7=6+2.9= 3.7-1.7= 4.2+0.8=7.5+2.5= 2.2+4.3=9.5-7.1=3.5+1.6= 5.2-2.8=7.8+1.6=9.6-4.1= 10-4.2=5.1-2.5=4.1-3.4= 1.2+3.8=9.6-4.1=7.8+1.6= 3.5+1.6=4.4-1.4=2.9+2.1= 3.5+1.2=4.8-3.4=6.9-2.5= 2.5+7.8=8-5.4=6.9-2.5=小数加减（四）2+3.5=6.8-2.2=4.7+5.4=4.1+8.8=2.2+5.5=9.6-2.1= 1.7+3.8=7.4-3.6=0.8-0.23= 1.
6、6+2.4=4.7+3.5=1.2+3.6= 1.5+3.8=2.8+1.2=7.3+2.7= 6.2-3.7=4.2-3.9= 0.54+0.65=7.5-5.2=0.7+0.5= 0.32+0.47=8.3-6.3=7.2+0.42= 0.48+0.52=0.8-0.25=43.5-0.65= 0.32-0.16=0.35+0.55=0.87-0.8=0.24-0.08=0.92-0.37=1.4+0.6= 3.6+4.2=0.72-0.48=6.8+3.2= 7.1-3.4=0.42+0.66=0.32+0.68= 2.8+7.2=0.65+0.19=3.09+1.2= 3.25+5.6
7、4=0.25+0.47=0.82+0.18= 7.8+2.4=0.45-0.18=0.4+0.16= 8.2+1.8=0.73+0.27=8-3.2= 9.8-4.8=3+2.4=2.8-0.9=小数加减（五）1.29-0.18= 5.1-0.8=10-0.3= 9+0.1=8.9-4.9=6.8-0.7= 8-0.72=6.6-3.4=6.4+1.3= 1.2-0.8=7.3+6.2=8.7+3.6= 12.3+0.7=0.8+9.2=4.7-1.9= 5.1-3.9=1.4-0.6=3.8+6.4= 0.6+7.45=4.9+0.1=4.5+3.2= 1.8+0.9=6.5+0.5= 10
8、.5-6.5= 7.5+0.5=0.78-0.28=12.8-2.8= 9.6-2.3=3.8+0.12=0.8-0.08= 10-7.4=7.5-3.2=0.42+0.58= 0.8+0.15=2.5+0.4=8.2-2.6= 1.4-0.7=2.5+4.6=0.5+9.8= 6.7-2.6=7.2+5.9=8.7-3.6= 5.69-2.48=2.9+4.1=9.1-6.7= 2.03+1.2=8.6-4.9=1.3+2.03= 9.46-7.21=1.56+2.24=3.5-1.25=小数加减（六）0.750.4=200.78=4.84.2= 5.73=4.91.7=1.340.8= 2
9、0.75=8.70.03=0.20.09= 8.52.5=3.41.4=0.680.42= 7.827.2= 29.1=0.480.52= 8.15.1=0.780.24=0.80.18= 0.890.25=10.98=0.90.1= 10.8=4.54=5.64= 5.73.3=104.4=66.6= 9.52.7=10.55=3.74.8=73.3=3.250.75=2.73.9=0.70.9=10.440.91=14.60.4=100.1=140.78=32.7=50.08=1.642.35 =1.11=8.346.22=12.63.4=1.34.3=7.26.9=9.38.8= 4.4
10、15.99= 19.85.6=96.356.2=79.256.8=1.925.793=8869.21= 10-0.6=4.3+1.7=93.27-12.56=15.6+3.2= 45.6+90.1=30.48+4.295=75.42-14.34=103.27+96.7=小数加减（七）脱式计算。8.56-4.65+8.295.76+8.65-0.89 32.5+13.29-18.0424.5+（3.74-0.98）10-1.39-4.205 60.6-（3.14+0.4） 18-（4.6+2.08）+0.024.69+3.02+0.04+2.7小数加减（八）用简便方法计算。6.38+7.56+3
11、.6224.56-3.81-4.195.34+6.18+4.66+3.8259.2-1.43-8.573.92+4.7+0.08+5.3（3.38+2.75）+0.259.1+6.8+3.2+0.90.473+5.6+0.5272.80.7=130.15=0.390.6=0.38600=7.052.4=0.467.9=89.37.6=60.5400=12.58.280.231.40.238.60.125（800.8）0.40.162.55.61017.85991.15991.1516.210116.24.57.85.57.83.0518=0.372.31=4.618.9=40.54.2=2.8
12、+7.20.810.342.50.41.251140.88.935.78.933.38.934.821020.70.46+0.70.5414.34.3=1.50.54=104.2=2.980.56=8.020.98=7.13.9=2.811.3=12.54.6=7.26.45=1.653.3= 7.91.45=601.27=6.074.8=50.41= 0.90.5=20.7=1.24.3=5.42.7=62.9=3.71.7=4.20.8=7.52.5=2.24.3=9.57.1=3.51.6= 5.22.8=7.81.6=9.64.1=104.2=5.12.5=4.13.4=1.23.8=
13、9.64.1=7.81.6=3.51.6=4.41.4=2.92.1= 3.51.2=4.83.4=6.92.5=2.57.8=85.4=6.92.5=23.5=6.82.2=4.75.4=4.18.8=2.25.5=9.62.1= 1.73.8=7.43.6=0.80.23=1.62.4=4.73.5=1.23.6=1.53.8=2.81.2=7.32.7=7.32.7=6.23.7=4.23.9=0.540.65=7.55.2=0.70.5=0.320.47 =8.36.3=7.20.42=0.480.52=0.80.25= 43.50.65=0.320.16=0.350.55=0.870
14、.8=0.240.08=0.920.37=1.40.6=3.64.2=0.720.48=6.83.2=7.13.4=0.420.66= 0.320.68=2.87.2=0.650.19=3.091.2=3.25.64=0.250.47=0.820.18=7.82.4=0.450.18=0.40.16=8.21.8=0.730.27=83.2=9.84.8=32.4=2.80.9=1.290.18=5.10.8=100.3=8.94.9=6.80.7=80.72=6.63.4=6.41.3=1.20.8=7.36.2=8.73.6=12.30.7=0.89.2=4.71.9=5.13.9=1.4
15、0.6=3.86.4=0.67.45=4.90.1=4.53.2=1.80.9=6.50.5=10.56.5= 7.50.5=0.780.28=12.82.8=9.62.3=3.80.12=0.80.08=107.4=7.53.2= 0.420.58=0.80.15= 2.50.4=8.22.6= 1.40.7=2.54.6=0.59.8=6.72.6= 7.25.9=8.73.6=5.62.48=2.94.1=9.16.7=2.031.2=8.64.9=1.32.03= 9.467.2=1.562.24=3.51.25=0.750.4=200.78=4.84.2=5.73=4.91.7=1.
16、340.8=20.75=8.70.03=0.20.09=8.52.5=3.41.4=0.680.42=7.827.2=29.1=0.480.52=8.15.1=0.780.24=0.80.18=0.890.25=10.98=0.90.1=10.8=4.54=5.64=5.73.3=104.4=66.6=9.52.7=10.55=小学四年级数学上册简便运算练习题253425432562362581312525741981252513125321399 125253225162512556（2515）4425162512259842101921257681742525334010235125198
17、2512516125792125322548200825124252517402512584138254(13125)(38)50(344)3284251253225972125 5898(13125)(38)(12+24+80)50253212570425138254 752410276125887042552892（12525）48810225641254605085898254246812584392525321254752588125252418012525441027610332382101-382（25+15)4358+356-435425+16252639612635695699
18、955557810178527647767613456134451344852244832(25+125) 32(25+125)83102832981991781011788436+64847599+275123181233+8512325（24+16）4949+4951 17899+1787942+79+7957（125+17）84999+492.724+2624+7248582+82152597+253641514158799+876693+9333+9376101763645+36563636975836+61367925+25 491022491.38498254125（80+8）125（40+8）（100-4）25（80-4）255732+324317361-73615214-221481+791910132-3272+9972（20-4）2512347+177475286-6128
