人教版四年级下册口算练习-小数加减混合运算.docx

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1、姓名:义欧:5.9-2.8-3=8.9-1.8-4=6.9-1.6-4=7.2-11-3=97-5-0.2=9.4-0.2-6二7.5-53+2=2.2+54-7=3.1+13-2=5.1+21-2=3.9-17+3=5.4+21-2=9.5-8.2+2=43-1.3+4=47-1.5+5=8.4-61+2=2.8+61-7=0.4+6.2-2=51+4.4-6=7.8-11+3=2.5+03-2=11+1.1-1=27+2.1-3=61+2.5-8=2.8-03+7=8.5-14+2=21+5+0.4=63+0.2+3=0.8+6+3.1=5+2.3+03=03+6+3.1=1.4+6+11

2、=61+0.6+2=3.4+0.4+5=6+27+0.2=6.9-(3.9-2)=2.3-(8.3-8)=9.4-(7.4-7)=9-(7.4-6.4)=87-1.1-1.2=2.9-2.4-03=9.9-11-3.4=7.9-0.2-5.5=9.9-1.4-81=9.8-8.2-1.2=8.8-(4.6+4)=43-(2.1+2)=3.9-1.1-2.6=7.8-1.2-2.5=4.8-(1.4+3)=9.9-1.4-75=7.8-21-4.6=6.8-23-3.1=5.4-23-1.1=27-0.5-1.1=3.6-(1.5+2)=8.8-1.1-53=03+0.2+9.4=1.4+0.2

3、+33=12+3.4+4.2=1.2+31+2.6=5.6+11+0.2=11+3.4+1.4=3.1+61+0.2=2.4+0.2+63=33+0.2+4.1=1.2+1.2+63=7.4+2.2+0.2=7.2-(3.9-0.7)=7.4-(5.7-2.3)=2.4-(8.9-7.5)=8.2-(0.5-0.3)=6.8-(5.9-1.1)=5.1-(4.5-4.4)=7.1-(4.9-0.8)=3.4-(4.7-4.3)=5.6-(9.9-8.3)=3.4-(4.6-3.2)=2.3-(5.6-5.3)=8.1-(7.2-4.1)=姓名：W：_8.7-(5.8-1.1)=8.9-(7.4+1.3)=9.9-(5.4+4.2)=9.7-(5.2+4.1)=3.9-(3.2+0.3)=8.3-(1.6-1.3)=9.9-(2.2+7.5)=9.9-(7.12.1)=7.8-(7.2+0.4)=5.7-(1.1+4.4)=2.6-(1.9-1.3)=4.7-(2.5+2.1)=3.8-(3.3+0.2)=9.8-(6.2+3.4)=5.8-(4.1+1.5)=9.4-(4.9-0.5)=6.9-(4.6+2.1)=4.8-(4.5+0.2)=4.4-(3.1+1.2)=2.6-(2.1+0.4)=