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1、 小数加减（一）103= 136.5105= 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=
2、 6.4+1.07=0.55+5.5= 1.05-0.09= 0.6+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.
3、4+7.8= 2.6+3.6=3.5-1.7= 8.3-2.6= 1.4-0.7=4.5+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=
4、 2.7-0.8= 10-4.2=7.1-3.9= 4.3-1.4= 2.6-1.6=0.8-0.3= 0.65-0.4= 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.
5、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+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
6、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+2.4= 4.7+3.5= 1.2+3.6=1.5+3.8= 2.8+1.2= 7.3+2.7=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=
7、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+5.64= 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
8、.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= 10.5-6.5=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
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=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.
10、55= 3.74.8= 73.3= 3.250.75= 2.73.9=0.70.9= 10.44 0.91= 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=4.415.99= 19.85.6= 96.356.2 = 79.256.8= 1.925.793= 8869.21= 小数加减（七）计算并验算。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+8.29 5.76+8.65-0.8932.5+13.29-18.04 24.5+（3.74-0.98）10-1.39-4.205 60.6-（3.14+0.4）18-（4.6+2.08）+0.02 4.69+3.02+0.04+2.7小数加减（八）用简便方法计算。 6.38+7.56+3.62 24.56-3.81-4.19 5.34+6.18+4.66+3.82 59.2-1.43-8.57 3.92+4.7+0.08+5.3 （3.38+2.75）+0.25 9.1+6.8+3.2+0.9 0.473+5.6+0.527