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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=6.4+1.07=0.55+5.5=1.05-0
2、.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=5.4+7.8=2.6+3.6=3.5-1.7=8.3-2.6=1.4-0.7=4.5+2.8=7
3、.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=0.65-0.4=0.91-0.6=1.8
4、-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+0.3=5.4-2.7=6+2.9=3.7-1.7
5、=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+2.4=4.7+3.5=1.2+3.6=1.5+3.8=2.8+1.2=
6、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=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=
7、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=10.5-6.5=7.5+0.5=0.78-0.28=12.8-2.8=9.6-2.3=3.8+0.12=0
8、.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=20.75=8.70.03=0.20.09=8.52.5=3.41.4=0.680.42=7.827.2=29.1=0.480.
9、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=4.415.99=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
10、+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+8.65-0.8932.5+13.29-18.0424.5+（3.74-0.98）10-1.39-4.20560.6-（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+3.6224.56-3.81-4.195.34+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+0.527