人教版四年级数学下册小数加减法综合练习题14.docx
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人教版四年级数学下册小数加减法综合练习题14.docx
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人教版四年级数学下册小数加减法综合练习题14
一、口算。
6.4+0.8=3.4+4.9=40.6+1=0.9+0.32=
7.3+0.4=7.5+1.8=9+4.7=0.81+0.39=
6.4-0.2=3.2+9.3=57.3+7=0.6+0.15=
4.8+0.8=6-2.6=8.6+2.6=0.52+0.38=
5.6+0.7=1.9+0.5=62.6-4=0.58-0.09=
二、笔算。
3.05+0.8=84.04+3.18=8.5+4.3=54.8+12.5=
8.23-5.63=10.53-3.2=3.3-0.72=77.26+7.22=
8.24-0.68=16.55-1.02=8.11+6.11=70.8+15.2=
7.06-6.21=95.23-3.76=7.35-0.17=45.63+3.44=
一、口算。
2.1-0.7=0.5+6.4=57.1-6=0.76-0.34=
2.9+0.4=5.4+3.7=9+3.1=0.88+0.02=
5.4+0.2=8.9+7.4=22.1-2=0.61+0.11=
2.3+0.3=6.2-3.7=9.2-3.9=0.63-0.24=
3.6+0.8=6.4+9=57.2+2=0.82+0.16=
二、笔算。
9.97-0.79=68.68-9=9.21+2.99=64.6+3.6=
9.31-2.49=79.48+2.63=6.68+0.48=24.32+9.84=
7.93-0.65=57.41-4.15=8.03-5.08=64.9-36.5=
8.56+6.81=65.84+8.94=4.36-0.23=66.89+6.94=
一、口算。
7.9-0.5=7.2+6.7=65.8-2=0.53+0.18=
8.7-0.5=8.4+3.4=6.6+4=0.68+0.28=
8.3+0.5=3.1+6.9=31.5+5=0.7+0.43=
6.5+0.6=8.8+2.7=8.4-4.5=0.6-0.06=
5.4-0.8=2.7+6.2=52.9+5=0.81-0.43=
二、笔算。
7.8+0.99=62.36+9.89=9.43-2.9=72.3+34.2=
7.5+1.52=59.36-4.82=8.64-0.35=57.57-4.97=
7.14-0.77=89.21-4.58=8.56+4.78=64+15.8=
7.21+1.09=38.22-4.66=5.27-0.07=63.42+1.82=
一、口算。
4.4-0.8=4.5+1.5=18.8-2=0.64-0.13=
6.7-0.9=9.4+3.9=6.2-1.6=0.7-0.17=
2+0.8=1.4+2.9=56.4-1=0.53+0.45=
2+0.5=6.9-2.2=7.6-3.7=0.81-0.37=
7.7+0.8=0.3+5.8=11.2-1=0.59+0.39=
二、笔算。
5.69-0.38=96.66+3.36=9.23+4.32=83-2.7=
7.53+2.32=13.14-5.86=1.42-0.42=96.29-6.64=
4.02+0.47=53.89+2.68=7.69+3.21=82.6-29.6=
7.21-2.63=15.06-5.53=4.61-0.69=53.74-4.59=
一、口算。
5.4-0.6=2.2+5.4=94.3+6=0.51-0.39=
3.7-0.9=5.9-4.2=7.6+3.4=0.97+0.08=
3.2+0.4=9.3+2.8=38.1-9=0.55-0.41=
3.6+0.6=9.4-2.6=8.6-4.2=0.85+0.3=
8.7-0.9=3.3+8.5=35.9+3=0.89+0.27=
二、笔算。
4.32+0.59=18.24+7.09=9.69+6.1=56.2+21.5=
9.64-6.73=62.92-8.26=9.75+0.06=21.63+3.58=
9.91+0.75=50.88+5.85=8.81+3.27=99.3+9=
9.24-4.9=23.16+9.62=8.86+0.07=82.43-5.6=
一、口算。
1.6+0.3=6.4+4.5=88.6+7=0.56-0.01=
6.8-0.2=6.4+4.2=8.9+5.4=0.85+0.16=
8.4+0.5=0.5+6=29.5+1=0.79+0.15=
3.6-0.5=6.8+0.8=9.3+0.6=0.79+0.07=
3.2+0.5=5.8+7.4=37.9-6=0.51-0.19=
二、笔算。
4.36-0.5=25.48-6.3=8.82+4.56=95.9+1.1=
8.65+4.47=95.57+9.46=8.16-0.56=74.26+5.44=
8.07-0.35=68.57-1.65=7.92+6.51=65.1+24=
7.16-2.03=85.5-6.95=2.48+0.19=51.5+5.26=
一、口算。
5-0.7=0.5+1.4=61.9+1=0.81-0.38=
5.9-0.7=7-2.6=9.8+1=0.77-0.03=
2.2-0.7=1.1+6.3=86.3+1=0.89+0.43=
4.8+0.9=8.5-3.2=9.4-2=0.89+0.4=
9-0.4=9.6+1.3=65.6-5=0.97-0.06=
二、笔算。
4.91-0.28=44+6.77=8.99-5.33=51.8+20.8=
7.41+1.46=44.35-4.38=4.93-0.44=81.84+7.08=
2.61+0.07=51.72+3.37=8.97-6.08=58.4+3.3=
9.37-6.56=15.24+3.4=5.48-0.91=52.9-1.53=
一、口算。
4.6+0.2=7.7+5.3=25.5+3=0.7-0.28=
2.2-0.9=9.4-3.9=7.8+5.3=0.68+0.14=
7.4+0.9=8.6+9.5=19.5-1=0.57+0.28=
5.2-0.3=6-4.4=7.8+5.4=0.52-0.02=
1.4+0.9=0.6+8.9=82.3-4=0.76-0.14=
二、笔算。
6.75-0.08=37.9-4.57=8.51+1.83=93.8-12.8=
7.73+6.82=99.7+9.18=7.7-0.42=55.69+7.73=
7.4-0.06=49.24+1.71=8.17-1.14=55.8+1.7=
7.11-4.38=54.17-7.27=1.26+0.38=22.37-8.9=
一、口算。
5.8+0.5=5.9+5.4=26.4+5=0.71+0.3=
1-0.9=5.1+1.5=6+3.5=0.92+0.42=
6.4-0.9=0.4+7=89.6-4=0.84+0.45=
1.3+0.2=9.7-1.1=6.5-5.1=0.76+0.15=
5.6-0.7=7.8+2.1=29.4-5=0.68-0.44=
二、笔算。
6.93+0.08=48.93-9.03=7.02-3.53=91.3-26.9=
7.47-6.75=67.71+3.37=1.53-0.88=58.65-4.35=
8.2+0.73=35.44-3.69=9.88-6.34=97.8+9.5=
7.92-2.93=66.78-6.8=1.67+0.48=97.53-6.69=
一、口算。
7.1-0.9=3.3+5.1=26.5+8=0.99+0.07=
4.8-0.2=8.2+2.7=6.6-0.7=0.52-0.13=
8.1-0.7=3.2+1.2=33.9+2=0.67+0.42=
6.2+0.9=6.9+3.4=6.3-5.8=0.95-0.11=
9-0.2=1.6+9.9=81.3+6=0.92-0.35=
二、笔算。
4.24-0.22=16.15+1.2=9.57+1.1=65.5+6.4=
9.01-5.65=43.42-9.97=7.5-0.06=29.37-6.05=
8.8-0.98=75.39-8.42=7.26+5.36=88.3-24.1=
9.05+6.97=76.63-4.62=2.76+0.54=30.42-5.76=
一、口算。
9+0.7=0.3+6.7=27.2-6=0.85+0.34=
1.5+0.9=6.2-2.8=7.7+0.2=0.85-0.47=
1.3-0.4=9.2+5.6=16.3-8=0.57+0.41=
7.6+0.3=8.5+2.1=8.1+2.6=0.97+0.19=
2.3+0.1=5.8+3.9=96.1+5=0.65-0.18=
二、笔算。
6.23-0.32=30.04+3.48=7.22+6.71=75.1+6.7=
8.6-3.74=19.89+7.12=3.46+0.27=39.03+5.16=
8.07-0.94=41.06-2.01=8.56-6.78=87.9-30.6=
7.81+4.14=87.43+7.51=5.46+0.97=14.92+5.18=
一、口算。
7.4-0.2=4.3+1.7=70.2+2=0.89-0.34=
2.9-0.3=6+1.8=9-2.3=0.62+0.14=
3.5+0.2=0.1+9.4=46.9+1=0.74+0.09=
7.1+0.9=5.2+2.2=7.2-2.8=0.79+0.16=
6.3+0.2=9.6+9.9=32.2+9=0.94-0.28=
二、笔算。
9.44-0.48=51.85-8.95=9.67+4.04=89.6+49.6=
8.37+6.95=69.94-5.42=4.9-0.12=31.45-9.67=
5.57-0.67=99.31-9.48=7.61-1.38=86.1-35.7=
8.13-5.45=54.07-7.52=9.29+0.76=42.4-8.2=
一、口算。
8.6-0.6=7.2+9=16.2-3=0.62-0.2=
8.8+0.1=8.3+2=7.8-2.4=0.83-0.15=
6.6-0.5=0.3+1=21.2-3=0.56-0.28=
2.9+0.7=8.3+1.8=9.5-5.2=0.68+0.26=
2.8-0.7=7.9+6=71.2+3=0.83+0.18=
二、笔算。
8.15-0.81=47.43+5.06=7.62+3.43=84.4-42=
7.05+5.26=68.47+2.21=3.78+0.81=99.75-9.96=
9.89-0.13=96.22-9.77=7.42-5.21=81+30=
8.26+6.92=79.8-1.91=9.93+0.86=28.86+3.61=
一、口算。
1.9+0.8=3.4+1.1=97.5-7=0.83-0.05=
8.7+0.8=8.4+2.4=6.9-1.4=0.76-0.37=
4.8-0.9=0.9+3.5=86.3+5=0.99+0.14=
5.9-0.2=7.3-3=7.5-0.2=0.68-0.43=
3.2+0.2=4+0.5=95.6-4=0.6+0.05=
二、笔算。
9.11+0.39=45.06-4.54=9.55-6.95=86.7-37.3=
9.35+2.54=61.26+6.3=4.52-0.65=37.07+7.12=
5.26+0.78=97.49-7.44=7.31+3.18=97.6-42.1=
8.72+5.04=42.63-7.48=2.42+0.87=78.07+3.03=
一、口算。
5-0.2=2.8+7.4=18.6+9=0.69-0.33=
4.4-0.9=7-0.1=9.4+4.9=0.61+0.15=
8.6-0.1=0.1+8.5=15.5+2=0.5+0.25=
8.5+0.3=5-2.1=6.5-4.8=0.5+0.38=
4.1+0.2=0.3+1.4=10.7+6=0.56-0.05=
二、笔算。
5.65-0.24=97.48+8.87=8.85-3.19=84.9+44.2=
8.51+6.46=31.02-9.05=1.4+0.06=85.48-6.8=
4.48+0.1=73.36-4.92=8.53-1.67=60.7+13=
8.23-2.9=78.93+6.63=5.23+0.16=93.84-3.93=
一、口算。
7.9+0.3=8.6+9.1=46.3+9=0.54-0.07=
1.8+0.5=7.4+4.5=8.4-1.8=0.99-0.12=
3.2-0.6=4.5+9.3=35.6+8=0.54+0.37=
8.8-0.6=9.7-1.6=7.4-1.7=0.54-0.1=
8.8+0.3=6.4+8.3=40.9+3=0.81-0.48=
二、笔算。
9.33-0.99=53.26+2.33=8.84+2.46=90.3+1.3=
7.48+2.54=64.11+8.94=8.96+0.81=49.03+2.55=
9.08-0.08=74.84-3.28=7.09-6.39=79+17.6=
7.62+3.39=57.27+5.75=6.6+0.72=21.43+8.89=
一、口算。
4.3-0.6=8.2+2.6=13.1-4=0.5+0.12=
6.9+0.3=6.3-3.8=6.8+0.5=0.72+0.2=
2.5+0.1=3.4+7.5=22.7+1=0.6+0.1=
7.6+0.2=9.1+0.2=6.2+0.5=0.78-0.4=
5.9+0.2=2.4+4.2=75.5-6=0.58+0.01=
二、笔算。
2.65+0.36=43.08-3.62=7.09-3.94=91.1-2.6=
8.34-5.28=71.03+6.72=4.36+0.06=62.85+4.37=
4.2-0.09=84.97-1.45=9.64+4.73=74.5+43.6=
8.07-5.12=29.27+7.29=4.56+0.96=98.7-1.79=
一、口算。
2-0.2=7+3.8=89.3-7=0.57+0.03=
1.9-0.5=5-1=9.1+5.7=0.94-0.31=
6.4-0.8=7.5+3=86.4+3=0.62-0.21=
7.4+0.5=8.5+1.3=6.4+2.4=0.56+0.45=
4.8-0.7=5.4+5.1=62.2-6=0.96-0.41=
二、笔算。
8.8-0.16=58.74+6.52=8.82+4.74=69.2+43.7=
8.34-6.1=69.41-5.43=9.04-0.54=53.36+8.09=
1.45+0.75=88.86-8.75=7.93-5.53=79.8-46.7=
7.73+5.69=51.73+7.36=4.64+0.08=28.3+9.99=
一、口算。
4.2-0.1=0.7+2.2=91.9+1=0.82-0.15=
2.1-0.6=6.1+4.5=8.6+0.7=0.65-0.43=
8.3-0.4=7.4+3.7=87.1-3=0.71+0.09=
5.6+0.5=7.4-1.3=6.1+2.1=0.56-0.07=
1.5+0.7=1.1+0.9=89.2-1=0.69+0.45=
二、笔算。
6.45-0.38=82.4+9.66=8.15+3.33=89.7+30.8=
9.92+5.89=16.89-3.11=4.4-0.97=50.25+8.51=
5.77+0.2=26.3-6.99=7.61-1.67=56.8+28.2=
9.18+3.47=57.85+8.41=5.75-0.76=71.76-7.32=
一、口算。
1.6-0.1=0.9+2.6=56.2+8=0.9+0.46=
2.7+0.4=7.2-1.2=6.7+3.2=0.54+0.16=
1.2+0.3=1.2+7.6=23.5-3=0.83+0.21=
5.8+0.3=7.7+4.1=9.8+3.8=0.58+0.33=
3.4-0.9=4.8+4.8=35.8+7=0.6+0.3=
二、笔算。
6.46+0.74=39.64+3.21=9.46-6.06=51.7+48=
9.51+2.29=65.17+9.45=9.79-0.76=84.13+2.47=
9.31-0.29=90.03-3.68=9.43+3.54=86-40.9=
9.66+2.08=35.6-4.95=1.52+0.51=55.54-1.91=
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