人教版四年级数学下册小数加减法混合运算专项练习题8.docx
- 文档编号:3483755
- 上传时间:2022-11-23
- 格式:DOCX
- 页数:12
- 大小:21.30KB
人教版四年级数学下册小数加减法混合运算专项练习题8.docx
《人教版四年级数学下册小数加减法混合运算专项练习题8.docx》由会员分享,可在线阅读,更多相关《人教版四年级数学下册小数加减法混合运算专项练习题8.docx(12页珍藏版)》请在冰豆网上搜索。
人教版四年级数学下册小数加减法混合运算专项练习题8
一、口算。
1.9-0.3=7.4-1.9=0.78+0.25=3.6-0.2=
4.3-0.8=7.3-2=0.76-0.45=2.5-0.8=
1.7+0.7=9+2.8=0.62-0.45=6.3+0.2=
2.8-0.6=7.2-1.7=0.63+0.06=4.4-0.7=
4.7-0.2=8.1+1.6=0.66+0.08=4.8-0.6=
8.2-0.5=7.7-1.2=0.63-0.46=3.4+0.8=
7-0.9=9+2.6=0.74+0.32=6.6+0.4=
1-0.5=7.9-3.7=0.64+0.41=2.1+0.6=
二、混合运算。
0.85-0.23+3.97.4-0.87-3.1378.8+14.2+44.2
70.53+30.35+88.0860.85+27.04+22.077.04-5.21+1.58
40-(3.55+0.47)68.9-(12.9+6.3)6.35+3.56+2.44
一、口算。
8.3+0.2=9+3.4=0.61+0.05=4.6+0.9=
4.2+0.4=6.7+2.6=0.7-0.11=5.5-0.1=
6.9-0.7=7.8+0.2=0.76-0.23=4.4+0.9=
2.1+0.4=8.2-4=0.9+0.08=5.7-0.4=
7.6+0.4=6.8-3.8=0.7+0.21=6.1+0.1=
3.9+0.2=8.6+3.1=0.75+0.4=2.5-0.8=
7.4+0.8=6.7-1.8=0.72-0.12=1.7+0.4=
6.2-0.2=6.2-4.1=0.81-0.41=1.6-0.3=
二、混合运算。
0.8+0.07+9.39.1-0.56-1.4473+50.2-17.1
80.58-33.87+13.5489.9+26.19+293.76-1.92+1.13
50-(5.12-0.41)81.3+(10.5-7.4)3.54+1.79+1.14
一、口算。
1.5-0.5=7.7-0.7=0.77-0.25=4.7+0.6=
3.4-0.8=8.1-4.5=0.7-0.45=3.9-0.8=
6.1+0.2=7.5-1.1=0.65-0.07=5+0.2=
2.4-0.2=7-1.4=0.89-0.29=3.7+0.2=
4.1+0.8=7.3+1.3=0.81+0.2=8.4+0.9=
3.8-0.4=7.7+4.9=0.64-0.26=6.5+0.8=
1.4-0.7=8.8-0.6=0.71+0.19=8.5+0.7=
2.8+0.4=7.8+4.9=0.86-0.16=6.3+0.5=
二、混合运算。
0.76+0.31+49.4-0.77-0.2343.7-22.6+14.2
86+30.46+55.5663.88+36.58+51.285.23-1.36-1.45
20-(1.23+0.96)67.1-(29.4+2.1)6.68+5.17+1.46
一、口算。
1.3+0.1=8.6-1.8=0.73+0.06=4.7+0.5=
3.2+0.2=8.5-1.5=0.75-0.24=1.4+0.2=
8.9+0.3=7-1.2=0.89+0.27=2.5+0.3=
7.8-0.7=7.1+4.5=0.89-0.18=2.5+0.8=
8.7+0.6=7.8-4.8=0.72-0.14=8-0.9=
5.7-0.4=7.9-3.3=0.64-0.35=1.8+0.4=
2.4+0.7=8.4-4=0.78+0.4=5.3-0.4=
8.9+0.1=7.3-3.2=0.81+0.2=3-0.2=
二、混合运算。
0.77-0.19+5.66-0.77-2.2361.4+13.3+26.4
77.16-41.66+67.0263.43+31.48+97.614.7+1.66+1.9
50-(5.16-0.64)60.7-(11.5+9.6)8.27-6.41+1.79
一、口算。
3.5-0.9=7.8-4.3=0.89-0.04=8.9-0.9=
8.7-0.9=8.1+2.9=0.88+0.16=7-0.7=
9+0.5=6.3+1.9=0.83-0.26=4.4+0.3=
1.9+0.5=7.1+1.5=0.71-0.02=2.2-0.7=
6.4-0.2=9-3.7=0.78+0.22=2+0.1=
5.1+0.4=7-1=0.76+0.02=5.2+0.3=
2.6-0.7=9+4.4=0.66+0.3=3.5-0.8=
6+0.6=8.6-1.1=0.66+0.44=8.3+0.9=
二、混合运算。
0.68-0.35+7.25.8-0.15-3.8583.8-11-26.5
81.39-29.2+15.566.84+48.42+27.824.25+1.01-1.34
80-(7.49-0.88)74.3+(19.8+6.1)9.46+6.03+3.2
一、口算。
8.7-0.8=6.4-1.9=0.82-0.37=3-0.6=
3.2+0.5=7.6-1.2=0.73+0.09=3.5+0.4=
7.7+0.8=8-4.2=0.73+0.08=1-0.8=
6.7-0.5=7.8+2=0.85-0.37=7+0.6=
1-0.2=7.1-4.8=0.74-0.36=3.8-0.5=
8.9+0.6=8.1-4.3=0.77+0.4=5.8+0.5=
1.7+0.1=7.2+3.8=0.88+0.33=4.8-0.1=
3.3+0.2=7.9+4.3=0.81-0.23=6.8+0.3=
二、混合运算。
0.85+0.02+7.46.6-0.56-2.4480.6-55.7+12.2
80.78-28.82+89.2286.2-12.45+98.547.9+4.65+2.14
70-(9.49-0.41)89.6+(27.7+9)7.5-1.78+1.65
一、口算。
7.3+0.1=8.6-1.8=0.84+0.11=7.9-0.2=
3.3-0.5=8.4+2.3=0.71-0.42=7.4+0.9=
4.2-0.8=8.4+2.1=0.88+0.48=5.5+0.7=
8-0.9=7.7+0.9=0.83-0.28=5.4+0.6=
4.1+0.8=7.5-0.2=0.71+0.21=3.4+0.9=
7.7-0.7=8.3-0.9=0.79-0.45=7.6+0.5=
5.4+0.4=7.7-4.6=0.67+0.25=2.4+0.2=
5.4+0.6=6-1.2=0.8-0.13=4.9+0.8=
二、混合运算。
0.86-0.43+7.19.7-0.27-1.7368.9+52+10.5
69.6+37.47+57.3367.6-40.23+47.37.52+3.84+2.12
80-(4.92+0.1)70.6+(14-3.6)9.22+7.66+1.51
一、口算。
3.5-0.9=6.3+1.3=0.81+0.11=4.7-0.6=
1.7-0.9=9-3.8=0.76-0.02=8.5-0.3=
7.8-0.5=8-1.4=0.61-0.03=3.2-0.8=
1.8-0.9=6+0.7=0.85+0.2=4.3+0.2=
8.6+0.4=7.2+1.3=0.64+0.26=1.4-0.7=
6.7-0.3=8.4-1.2=0.88+0.05=4+0.8=
6.4-0.6=7.9-0.3=0.86+0.36=1.3+0.5=
3.3+0.7=8.3-2.8=0.8+0.39=6.8-0.7=
二、混合运算。
0.64+0.48+8.47-0.23-0.7799.4-57.9-26.7
82.16+36.53+39.0780.02-26.28+77.258.5-3.4-1.16
20-(7.67-0.67)95.4+(21.5+3)4.41-2.09-2.22
一、口算。
7.7-0.2=6.7+2.1=0.62+0.05=3.9+0.6=
5.5-0.3=8.7-2.3=0.85-0.1=5.2-0.1=
7.7-0.9=8.1+2.7=0.75-0.45=8.5+0.5=
1.8-0.3=7.8+3=0.78-0.14=2.9-0.5=
8.9+0.7=7.5+3.5=0.9+0.16=4.3+0.1=
1.3-0.3=7.8+1.2=0.89+0.08=1.5+0.3=
3.2-0.6=8.5+0.6=0.74-0.41=8.2-0.4=
1.9-0.2=8.4+2.2=0.65-0.08=4.5+0.9=
二、混合运算。
0.82+0.43+2.29.9-0.27-3.7352.4+21.4+29.7
68.89+40.47+82.0484.71-22.96+57.436.43+1.66-2.55
20-(6.94-0.64)75.7+(21.8+8.7)8.88-1.79+6.3
一、口算。
5.4+0.9=7.8-0.6=0.86-0.44=4+0.8=
2.9+0.5=7.6-0.4=0.68-0.19=5-0.6=
3.1-0.9=6.6+4.5=0.89-0.15=1+0.9=
8.8+0.2=7.1-3.4=0.63-0.07=6.2-0.8=
8.4+0.5=7.4-4.1=0.76-0.28=4.1+0.8=
7.4+0.2=6.3-4.7=0.68-0.49=5.1-0.9=
3.9+0.7=8.7+3.8=0.74-0.41=2.4+0.6=
8.6-0.8=6.6+4.5=0.78-0.32=7.2-0.8=
二、混合运算。
0.88+0.09+6.39.1-0.56-0.4497.5+75.4-14.8
66.52+38.66+73.8264.54+39.39+28.885.6-2.8+1.78
90-(9.51-0.12)60+(27.5-1.4)6.85+3.21+1.52
一、口算。
5+0.7=7.5-2.1=0.62+0.04=6+0.6=
6.6+0.2=7-0.3=0.79+0.14=2.3+0.6=
7.8+0.8=7.7-1.1=0.74+0.1=3.4+0.4=
4.2-0.2=7.5+3.1=0.71+0.42=2.7+0.2=
2.8-0.6=7.4-4.6=0.79+0.44=3.7+0.5=
1.1-0.1=6.5+3.8=0.73-0.35=5.7+0.1=
8.4+0.5=8.8+2.7=0.88-0.19=2.3-0.2=
4.7+0.4=6.5+0.6=0.61-0.06=8.3+0.7=
二、混合运算。
0.88+0.25+2.89.3-0.67-2.3374.7-16.9-20.1
70.01-26.89+35.3362.01-12.96+75.116.3-4.39+1.66
60-(5.67+0.61)95-(26.3-5.2)4.86+1.25+2.74
一、口算。
6.4+0.4=7.7-1=0.7+0.11=2.2+0.6=
8.6-0.8=9+0.1=0.69+0.02=5+0.4=
3.2+0.5=6.1+3.7=0.69+0.44=2.2-0.2=
8-0.5=6+1.6=0.72-0.28=6.7+0.8=
4.3-0.7=7.2-1=0.7+0.4=7.1+0.1=
7.1-0.1=9-4.8=0.79-0.32=7.5-0.5=
3.6-0.1=6+2.2=0.61+0.23=1.4-0.5=
7.4+0.2=6.4-2.8=0.69-0.43=7.8-0.1=
二、混合运算。
0.9-0.46+0.66.9-0.15-3.8560.7-35.8+11.9
79.24+34.38+77.6288.74+17.05+83.17.37-3.48-3.25
50-(7.96-0.44)87.2-(17.9+2.3)3.89+2.24-1.55
一、口算。
5.4-0.4=6.5+3.3=0.79-0.17=4.4-0.7=
5.9+0.5=7.4+0.5=0.65-0.4=3-0.6=
5.4-0.6=7.1-1.7=0.81+0.03=2.6-0.6=
3.9+0.7=8.8+0.9=0.86+0.08=9+0.6=
5.8-0.9=7.1+3=0.8+0.27=2.3-0.1=
7.4+0.3=7.9-0.8=0.77+0.45=6-0.1=
7.8+0.6=6.3+1.2=0.65+0.24=2.5-0.2=
5.2+0.5=6.1-4.4=0.86-0.33=4.2+0.2=
二、混合运算。
0.84+0.26+2.48.1-0.13-1.8768.7-15-23.9
69.02+43.95+51.4586.07-10.76+36.188.8-3.72+3.07
60-(2.56-0.78)84.1+(26.9-2)4.01-1.32+2.45
一、口算。
5.4+0.7=7.5-3.6=0.71-0.16=6.2+0.9=
5.2-0.7=8-2=0.79-0.23=5.6+0.2=
6.7-0.2=7.1+2.7=0.83-0.28=4+0.2=
3.3+0.3=7.6+0.6=0.82+0.49=6.2-0.9=
1.7+0.9=6.7+4.2=0.67-0.03=4.9-0.5=
6.7-0.5=7.3+1.2=0.63+0.15=4-0.8=
4.8-0.6=7.4-1.3=0.75+0.48=5.6+0.2=
7-0.7=7.6-3.2=0.6-0.27=1.3-0.5=
二、混合运算。
0.74-0.48+5.45.2-0.68-4.3244.7-24.9-18.9
88.43-11.23+92.3684.72-15.98+21.587.93-3.99-3.08
50-(5.15+0.62)89.4+(24.9+5.1)6.84+3.03+2.37
一、口算。
1.9+0.1=6.7-1.1=0.62+0.17=8.6+0.6=
7.7+0.2=6.7-2.7=0.9+0.31=6.7-0.7=
3.8+0.4=7-1.9=0.7+0.19=7.2-0.9=
5.9+0.7=7.4-3.9=0.68+0.04=8.6-0.8=
6-0.6=6.2-3.7=0.61-0.15=3+0.1=
5.4-0.1=8.9+4.4=0.89-0.17=6.1-0.4=
3+0.9=6.4-3.9=0.68-0.31=8.8-0.9=
3.8+0.1=6.1-0.7=0.75-0.14=6.3-0.3=
二、混合运算。
0.65+0.42+6.75.9-0.55-3.4561.1-20.4+36.1
60.75+10.78+38.0562.1+43.66+97.824.91-1.36-1.79
40-(3.5-0.99)60-(14.6+6.2)8.51-4.92-3.08
一、口算。
7.1+0.1=6.1-4.1=0.9-0.12=2.9-0.6=
7.7+0.9=6-3.4=0.84-0.44=4.9-0.2=
2.6-0.9=8.8+2.5=0.85+0.18=7.6+0.2=
6.2-0.4=8.1-2.2=0.6-0.37=2.4-0.8=
8.6+0.3=8-1.6=0.63-0.31=3.5-0.6=
4.5-0.6=6.2-2=0.74-0.37=2+0.7=
2.4+0.5=8.5+3.4=0.89+0.14=6.2+0.6=
3.7+0.2=8.5-1.7=0.77-0.13=3.6+0.7=
二、混合运算。
0.85+0.37+3.17.8-0.8-2.262.3-35.7+12.1
75.47+13.8+14.5467.77-29.25+85.613.99+2.33-1.51
60-(6.47+0.8)67.7+(19.7-1.1)4.32+2.18-1.32
一、口算。
4.5-0.5=8+0.1=0.85-0.06=8.4-0.5=
6.6+0.9=7.2+2.7=0.66+0.17=6.1-0.1=
6.1+0.4=8.6-2.1=0.69-0.32=8.8+0.3=
5.1-0.1=7+3.3=0.79+0.03=8.4+0.2=
1.8-0.3=6.1-2.9=0.77-0.31=6.5-0.1=
8.7-0.4=8.2+1.6=0.82+0.4=2+0.6=
6.7+0.9=8.8-0.8=0.7-0.23=7.2-0.3=
5.6-0.9=6.8-0.5=0.85-0.34=3+0.3=
二、混合运算。
0.65-0.19+4.15.8-0.85-0.1567.2-10.5-36.8
76.57-11.57+68.4268.71-22.55+20.986.92-2.85-2.56
50-(3.21+0.67)76.1-(18.4+5.5)8.35+5.31-1.61
一、口算。
5.7-0.8=6.1+2.9=0.73+0.18=1+0.2=
4-0.2=8.3+1.8=0.68+0.27=3.7+0.6=
7.4-0.6=8.4+4.7=0.78-0.3=6.1-0.7=
3.6-0.5=
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 人教版 四年级 数学 下册 小数 加减法 混合 运算 专项 练习题