四年级数学下册小数加减法练习题精选66.docx
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四年级数学下册小数加减法练习题精选66.docx
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四年级数学下册小数加减法练习题精选66
一、口算。
8.6+0.9=4.3+2.3=64.8-9=0.68+0.41=
6.1-0.5=9.5-4.3=7.3-5=0.64+0.28=
5.9+0.7=0.5+1.7=49.5-6=0.92+0.15=
2.4-0.9=9-3.7=8.5-1.7=0.51+0.03=
3.5+0.8=5.7+8.6=42.2+2=0.6+0.37=
二、笔算。
7.96-0.45=69.52-4.25=8.05+4.99=73+8.8=
8.35+1.46=14.66+4.79=8.42+0.17=34.48+6.58=
7.09-0.92=42.62+9.4=7.31+2.19=83.4+17.5=
9.81-2.28=55.68-7.91=6.69+0.21=89.78-9.46=
一、口算。
2.2-0.4=8.6+7.3=60.7-7=0.53+0.25=
7.2+0.6=5+2.4=7.5+1.4=0.69+0.15=
4-0.1=4.2+3.2=46.7+7=0.67-0.24=
6.1-0.8=5+2.7=8.4+2.8=0.6+0.29=
6.9-0.6=0.6+8.2=34.2-1=0.53-0.39=
二、笔算。
2.83+0.54=99.42+4.62=8.92+4.51=51.4+21.6=
8.65-6.46=42.63+5=3.31+0.79=96.34+1.77=
1.77-0.29=22.93-9.02=9.11-3.66=78.9+13.7=
8.17-6.66=37.75-5.87=9.25+0.73=33.07-5.01=
一、口算。
3.6-0.5=5.7+6.9=36.7+9=0.9+0.33=
8.4+0.2=5.4+3.4=8.1-5.6=0.6+0.47=
9-0.9=1.7+3.2=76.5-2=0.95-0.04=
1.8+0.1=9.5-4=9.6-5.6=0.9-0.1=
8.2+0.1=4.6+5.7=64.7-8=0.99-0.06=
二、笔算。
7.9-0.04=91.97-6.67=8.77-6.11=85.6+10.5=
8.63-5.87=25.67+1.18=1.61-0.41=52.77+5.85=
6.94-0.57=95.53+8.32=9.77-3.98=91.9+2.3=
8.89-6.69=50.16-1.68=9.69-0.71=51.25-6.89=
一、口算。
7.9+0.6=7.1+1.5=36.6-2=0.55-0.09=
3.8-0.8=9.5-3.9=8.1-0.9=0.64-0.49=
7.6-0.1=8.1+6.2=27.4+3=0.74-0.25=
7.7+0.9=7.1+4.6=6.5-5.4=0.79+0.43=
8.1-0.4=7.4+4.7=80.6-8=0.53+0.26=
二、笔算。
7.54-0.91=87.46+8.18=9.44+3.7=54+18.6=
7.42-6.82=87.18-3.35=3.06+0.59=27.21-4.14=
2.78+0.72=67.68-1.09=9.16+3.86=62.6-6=
9.68+1=21.12+6.96=3.51-0.66=76.45+6.65=
一、口算。
7.4-0.6=5+8.1=31.7-5=0.57-0.25=
1.1-0.4=7.6-3.7=8.5+3.8=0.74-0.34=
7.6-0.9=6.7+0.5=59.7+3=0.69+0.38=
3.7+0.3=6+1=7.1+5.7=0.54-0.27=
5.8-0.9=4.2+6.7=61.8-2=0.93+0.11=
二、笔算。
3.74+0.97=65.19-9.01=7.64-6.93=87+14.6=
9.84-6.91=57.16+8.1=2.54+0.47=56.81-8.13=
5.07+0.51=69.07-7.04=8.34-2.3=66.2-49.3=
8.6-4.69=26.06+2.21=3.64+0.45=54.5+9.4=
一、口算。
1.1-0.7=2.2+5.5=83.9+3=0.91+0.38=
1.9-0.8=7.8-2.3=7.9+4.3=0.56+0.22=
5.9-0.7=6.9+8.7=39.3+4=0.66-0.47=
2.1+0.5=7.7-3.1=7.5-1.4=0.7+0.1=
6.2+0.1=5.8+0.1=88.2-8=0.6+0.24=
二、笔算。
2.49+0.41=40.65-7.3=8.32+5.16=61-6.5=
8.71-1.32=11.47-2.66=6.9+0.68=79.17-9.34=
2.84+0.56=97.38-7.1=7.66+6.96=77.1-43.8=
7.45-4.37=84.24-8.37=3.49+0.36=73.59+6.57=
一、口算。
1.9+0.1=7.4+3.9=18.8-2=0.58+0.01=
1.2-0.7=9.6+2.8=9.8-2.5=0.54-0.34=
7.1+0.5=9.3+3.3=83.3+6=0.69+0.47=
8+0.9=6.3+3.4=8-4.8=0.98+0.49=
3.9+0.3=8.9+2.7=26.6-5=0.74+0.41=
二、笔算。
3.88+0.33=54.56-3.01=7.42+5.65=59.9-27.3=
8.19-5.41=21.11-7.85=9.32-0.8=92.32-2.94=
2.88+0.26=44.3+9.61=9.71-3.94=74.2-29.4=
7.52+1.11=91.87+9.52=9.37+0.57=43.34-5.81=
一、口算。
6.6-0.1=7.4+0.2=20.7-5=0.72+0.26=
2.1+0.4=8.6-1.3=8.6-0.9=0.61-0.15=
4.7-0.4=0.7+4.8=97.4-3=0.8-0.4=
5+0.9=5-0.7=6.2-2.5=0.58+0.14=
2-0.6=4.5+4.6=97.6-4=0.59+0.18=
二、笔算。
7.33-0.04=50.18+2.44=8.43-4.7=62-41.5=
8.94-3.57=91.54+1.76=2.93-0.83=20.35+5.66=
9.33-0.3=54.08+1.23=8.84+1.67=87.1+21=
8.9+1.7=95.74+8.13=1.4-0.79=60.26+6.17=
一、口算。
5+0.1=7.7+6.7=78.1-1=0.73+0.33=
4.3-0.5=9.8+0.3=7.8-3.7=0.77-0.28=
2+0.1=5.3+9.5=61.3-8=0.54+0.24=
5.5+0.3=5.1+1.9=9.5-3.8=0.71-0.32=
6.4-0.2=8.5+8.3=72.9+6=0.72-0.39=
二、笔算。
8.4-0.17=40.58-6.9=7.52+1.1=53.5-48.1=
8.29+2.61=93.84-7.17=7.29-0.16=22.56+2.42=
7.46-0.97=57.73-5.76=9.81-6.81=93.3-3.2=
9.96-6.65=20.68+7.14=9.27-0.59=76.66+3.18=
一、口算。
5-0.2=4.6+2.7=96.1+3=0.81-0.11=
7.3-0.8=8.4+1=9.6+2.9=0.84+0.43=
5.3-0.8=7.8+4.1=99.4-1=0.74+0.35=
2.8+0.2=6.7-2.7=9.3-1=0.74-0.47=
4.5-0.5=0.4+2.9=78.8-3=0.74+0.02=
二、笔算。
1.23+0.86=22.33-5.34=7.05+2.34=88-45.6=
7.85-1.02=92.78+4.78=5.83+0.52=12.67-2.48=
8.51+0.69=63.36-2.23=8.67+6.57=68.2-19.1=
9.29-4.17=23.49-4.47=6.09-0.3=99.92-7.21=
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- 四年级 数学 下册 小数 加减法 练习题 精选 66
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