小数加减法练习题200道.doc

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1、1.4-0.8=6.7+2.5=3.6-1.8=9-4.8=8.7+3.4=0.6+1.5=8.4-7.5=42.3＋15.9＝4.1－3.8＝3.7-2.2=0.78-0.39=7.8+1.3=7.8-0.27=0.27+0.01=8.3+3.6=0.75-0.4=0.25+0.4=42.9-6.5=6.9-4.4=8.7+3.4=9.8+4.7=8.2+1.8=9.2-0.3=1.6＋1.8=3.2＋2.5=3.6-2.8=7.7－2.1=9.3－3.8=8.5－7.8=2.9＋1.1=6.8+2.2=8.6-4.9=4.7+9.3=5.7＋2

2、.7=3.9+9.8=2.1-3.3=3.9-1.3=2.9＋4.3=4.1－0.6=1.5-6.8＝3.2-2.6＝4.9-1.7=7.6+2.4=7.4-4.7=9.9-3.8=2.5+4.4=3.3+10.4=25.3-7.6=8.3-4.4=6.2-2.7=2.4-1.2=6.4+2.3=3.2-2.3=4.2-1.6=2.2+2.4=3.6+2.8=1.5+3.5=2.4+4.8=2.5+4.4=6.3-3.7=30.2-3.3=3.9-2.6=4.8+2.4=1.7-2.5=1.6+9.5=9.4-2.5=2.6-1.2=2.6-0.2

3、=4.8-0.4=5.7+0.8=5.9-0.9=17.9-8.5=9.2-5.2=1.1+2.3=23.6+23.5=56.4-46.3=22.6+25.3=12.0+22.6=45.6+0.125=0.3+0.652=0.1+0.9=0.139+0.426=53.9-32.8=23.6+23.5=56.4-46.3=22.6+25.3=12.0+22.6=45.6+0.125=7.1+3.2=9.8+1.5=4.3+9.6=5.8+6.2=4.2+6.5=9.6-5.2=4.3-2.3=8.6-1.5=7.9-6.2=4.6-0.5=9.9-8

4、.8=7.9-5.9=1.2-1.1=1.9-0.6=5.5-4.3=7.1+3.8=6.7-3.4=1.9-0.7=3.7+3.6=9.7-4.6=9.6-1.9=9.1-8.6=5.9-2.7=3.9-1.0=2.9-2.8=1.9-0.9=1.2-1.2=0.9-0.1=3.3+8.7=2.6+9.6=7.3+5.9=4.7+6.2=5.4+9.0=1.2+1.6=7.1+3.2=9.8+1.5=4.3+9.6=5.8+6.2=7.9+6.4=4.2+6.5=9.6-5.2=4.3-2.3=8.6-1.5=7.9-6.2=4.6-0.5=9.

5、9-8.8=7.9-5.9=1.2-1.1=1.9-0.6=5.5-4.3=6.7-3.4=1.9-0.7=3.7+3.6=9.7-4.6=9.6-1.9=9.1-8.6=5.9-2.7=3.9-1.0=2.9-2.8=1.9-0.9=1.2-1.2=0.3+0.652=5.5+8.9=2.7-2.1=0.1+0.9=0.139+0.426=56.0.181=0.32+1.57=9.25+2.25=9.23+4.52=4.22+8.46=5.63+1.25=9.36-1.59=5.63-5.21=4.65-1.15=7.65-4.19=8.88-2

6、.69=0.7＋0.9=0.8＋0.6=8.24＋3.76=4.1－3.8=14＋0.78=14.6－0.34=1.3＋8.56=0.8－0.55=4－0.04=1－0.03=30.5＋3.05=0.8－0.45=5－0.08=3.25＋0.75=10－0.1=3.9-1.9=4.8+8.7=6.1+4.8=2.7+1.2=4.0+0.8=8.6+9.7=0.5+1.6=4.1+6.4=6.5+7.4=9.4+3.4=2.2+3.9=8.8+3.5=5.9+0.6=4.4+5.8=6.1+2.6=7.4+3.9=4.3+6.9=3.0+5.5=4.

7、3+4.4=1.7+1.1=7.3+7.3=1.9+7.6=3.4+0.9=7.6+3.7=9.3+4.3=5.7+4.8=9.2+6.1=7.3+9.7=5.8+3.6=0.5+3.7=1.0+4.2=4.0-1.4=6.1+7.1=5.6+6.3=7.9+7.2=9.4+1.9=2.6+1.8=3.5+7.2=2.9+3.5=7.1-6.7=1.9+6.7=3.4+1.2=1.6+1.1=2.1+4.0=4.1+1.8=8.7+2.2=5.6+3.0=5.5+8.3=6.0+9.4=0.9+0.1=0.5+5.7=0.1+5.6=6.0+7.0

8、=6.6-6.6=4.0+4.8=1.2+1.7=8.4-0.2=5.4-8.7=0.6+9.2=7.0-2.5=6.7-