四年级数学下册小数加减法练习题精选17.docx
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四年级数学下册小数加减法练习题精选17.docx
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四年级数学下册小数加减法练习题精选17
一、口算。
7.2-0.2=2.9+8.1=38.3+5=0.76-0.02=
8.8+0.7=8.1-2.4=8.5+1.3=0.59-0.4=
6.6+0.4=4.9+6.8=60.5+9=0.87+0.37=
8+0.5=6.2+3.8=7.1+4.3=0.62-0.42=
2.6-0.9=1+4.9=18.1-4=0.89+0.01=
二、笔算。
5.12+0.4=68.65-7.96=7.03+6.45=66.1+44.5=
7.22+6.46=24.55+1.26=7.22-0.92=10.14-3.39=
2.57+0.5=13.17+5.33=9.44+6.72=60.9-23=
7.7-5.58=13.52+6.55=5.53+0.97=53.54+1.07=
一、口算。
3-0.2=8.2+9.5=80.6+2=0.96-0.18=
8.7-0.2=5.4-1.9=8.3-2.9=0.9+0.04=
2.2-0.4=3.6+6.1=92.8-9=0.68+0.01=
3.2+0.5=7.8-1.6=8.4+2.4=0.71+0.45=
7.4+0.8=6.9+0.9=22.5-3=0.73+0.38=
二、笔算。
6.33-0.48=38.12-9.2=7.69-6.28=63.9+47.8=
8.7+1.32=76.35+7.25=4.42-0.32=82.4-7.33=
9.47-0.4=86.81+2.86=8.54+2.43=57.7-48.7=
7.76-5.92=99.79+1.79=6.3+0.9=15.86+5.07=
一、口算。
5.2-0.5=5.1+7=42.7-6=0.56-0.45=
8.4+0.7=9.1-0.8=7-5.1=0.97-0.4=
3.2-0.9=7.1+3.2=29.7+7=0.62-0.42=
6.2-0.8=9.2+2.6=9.3+0.3=0.67+0.25=
1.3+0.6=2.3+6.1=93.1-6=0.87+0.48=
二、笔算。
2.8-0.29=89.93-1.1=9.45-3.53=60.8+48.2=
8.2+5.27=38.05-7.37=6.64-0.19=36.71-4.67=
3.24-0.95=73.43+9.55=9.47-5.6=61.5-18.2=
7.67-5.17=98.29+4.32=4.17+0.14=20.4-9.44=
一、口算。
2.2+0.8=9.5+1.4=47.7+5=0.76-0.3=
5-0.7=8.7-4.1=9.6+1.1=0.51-0.37=
4.5+0.7=0.6+9.8=21.7+2=0.92-0.28=
3.5+0.4=7.6-4.8=6.4-2.2=0.79-0.27=
8.7+0.7=3.9+9.7=41.3-1=0.76+0.17=
二、笔算。
1.74-0.57=43.26+2.32=8.79+5.75=66.4-15.7=
9.68+5.63=94.99-3.17=1.22+0.99=42.6+1.68=
2.02+0.18=41.51+2.78=7.92-3.61=61.3-13.9=
9.36-6.2=82-5.95=6.22-0.77=78.56+2.79=
一、口算。
3.5+0.8=0.7+1.8=65.9-7=0.79+0.35=
1.6+0.6=5.9+3.6=8.8+0.8=0.96+0.2=
7.8+0.8=0.9+0.7=10.7-4=0.91-0.3=
8.6+0.8=6.2-4.2=6.7+2.4=0.95+0.46=
8.4-0.7=1.6+0.6=57.8+7=0.88-0.02=
二、笔算。
4.47+0.69=75.2-5.65=8.84+5.85=63.9+14.3=
9.09+2.32=25.26-9.19=2.43+0.88=22.23-3.3=
6.89-0.35=19.59+6.11=8.69+3.21=53.1-36=
7.86+4.89=14.63-9.91=6.1-0.61=16.47+6.37=
一、口算。
5.4+0.5=3.9+1.9=15.2+1=0.88-0.29=
2.3-0.8=7.1-3.8=6.5+5.4=0.97-0.14=
4.1+0.2=0.5+5.9=97.4-8=0.88+0.36=
7+0.8=6.5-2.3=6.2+2.5=0.95+0.14=
6.1+0.4=1.7+7.7=85.4-2=0.95+0.02=
二、笔算。
7.24-0.3=95.79-4.45=7.59+2.39=92.9+46.2=
8.28+2.1=90.89+6.15=5.06-0.82=81.98-9.21=
3.74+0.72=96.31+4.36=9.35+3.4=98.7+1.5=
9.86+4.2=98.57+4.23=3.71-0.99=23.85-9.28=
一、口算。
3.9+0.4=6+9.3=70.3-4=0.88-0.03=
8.1+0.7=6-0.7=9.2+2.8=0.83+0.19=
8.1-0.5=0.6+0.5=45.5-7=0.88-0.13=
6.5-0.4=7.7-4.1=8.4-1.7=0.52+0.25=
3.6-0.7=7+1.7=50.7-6=0.9+0.42=
二、笔算。
9.11+0.21=50.24-4.46=7.2-3.03=56.6-18.8=
7.43+1.12=99.35-1.76=2.4-0.47=40.84+2.38=
9.88+0.39=43.5-8.7=8.99-3.13=76.6+46=
7.01+5.05=68.45+4.61=9.37+0.08=13.44-3.32=
一、口算。
2.7+0.9=6+7.3=42.8+6=0.88+0.06=
1.9+0.9=8.3-2.8=8.8-0.7=0.98-0.32=
7.5-0.2=0.8+7.7=66.9-4=0.73-0.16=
6.1-0.3=5+1.5=9.2-1.3=0.94-0.26=
2.5-0.9=2.1+6=60.3+1=0.87+0.14=
二、笔算。
5.66-0.64=12.4-4.46=9.57+1.72=61.7-3.9=
7.04+5.96=10.3-1.01=1.93-0.1=93.31+7.03=
5.31+0.78=91.06-8.1=9.75+1.11=93.3+19.5=
7.65-2.41=40.37+6.63=8.93+0.61=38.6-9.47=
一、口算。
9+0.3=8.8+6.9=41.7+3=0.83+0.32=
5.6+0.6=7.3-4.7=9+4.8=0.86+0.02=
1.7-0.7=3.8+6.8=27.1-3=0.6+0.46=
4.4+0.1=6.9+2.1=7.7-5.6=0.85+0.06=
6.3+0.5=3.3+2.5=88.2+8=0.62-0.45=
二、笔算。
2.66+0.7=68.06-7.66=7.85-3.83=85.2+49.9=
9.16+1.96=81.22-6.67=7.82-0.57=80.45+4.93=
8.41-0.94=15.63+8.17=9.75-2.02=50.7+39=
9.86+5.61=99.23-8.08=1.6-0.1=47.43+5.01=
一、口算。
3.6+0.9=9.7+4.4=46.3-6=0.89-0.07=
6.4+0.3=5.1+4.6=7.3-1.6=0.82-0.05=
4.3+0.4=5.4+2.2=73.7-7=0.93-0.37=
8.8+0.8=9.6+3.3=7.8+1.9=0.74+0.29=
2.9-0.5=6.6+5=70.2+5=0.78-0.19=
二、笔算。
8.86+0.21=66.88+4.16=9.38-3.87=57.7-49.8=
9-5.97=27.78+8.13=1.27+0.45=81.66-4.38=
8.45-0.41=68.52+5.12=9.82-5.15=60.3-19.8=
9.85-1.19=92.61-8.32=5.5-0.03=87.22-2.48=
一、口算。
6.3-0.8=5.6+9.6=69.5+8=0.99-0.25=
8.7-0.8=5.7-1.5=6.6+0.6=0.65-0.09=
3.2-0.6=4+2.9=74.3-1=0.79-0.41=
4.3-0.9=5-2.2=9+2.4=0.51+0.2=
8.4+0.4=8.9+4=96.4-1=0.83-0.03=
二、笔算。
8.44+0.16=87.9+7.46=9.54+6.62=97+25.9=
8.16-6.17=27.95+8.44=7.09-0.38=91.86+8.32=
8.92+0.13=68.01+6.41=8.44+6.45=65-20.2=
7.71+6.01=68.01-1.52=5.23-0.52=11.38-8.36=
一、口算。
6-0.3=9.6+3=64.6+3=0.79+0.4=
1.2+0.2=8.4-2.3=7.6+5.9=0.78-0.45=
8.1+0.8=9.5+8.4=18.7-7=0.94-0.04=
6.3-0.9=9.1+0.8=6.5-0.3=0.71-0.4=
5.4+0.1=7.4+2.8=50.3-1=0.58-0.34=
二、笔算。
8.7+0.17=62.81-6.16=8.85-4.74=98.9+36.9=
9.43-2.53=63.21+2.82=1.74-0.53=18.08-4.36=
6.29-0.13=89.6+9.39=8.87+6.77=70.5+22.6=
7.68+4.22=76.1+5.32=6.73+0.31=76.81-5.42=
一、口算。
4.3+0.9=1.5+0.8=34.1-6=0.96+0.26=
2.6-0.4=9.4+3.4=7.2-4=0.66-0.47=
5.4+0.2=1.5+3.9=42.4-5=0.7+0.18=
1.2+0.4=9.2-3.6=8-4.7=0.97+0.29=
6.9+0.4=3.9+2.9=42.8-1=0.84-0.02=
二、笔算。
3.8+0.5=10.17-5.93=7.57-6.32=60.1-30.5=
7.1-2.62=90.68+5.89=3.93-0.52=90.1+3.16=
9.46-0.63=52.07+3.26=9.34+2.95=81.2-41.5=
9.34-2.82=53.66+7.57=5.85-0.08=40.44-9.42=
一、口算。
5.7-0.7=5.8+4.7=26.8+7=0.75-0.45=
5.6+0.8=8+4.6=6.1-4.6=0.85-0.27=
5.9-0.4=9.5+3.8=66.9-5=0.62-0.14=
7.3+0.3=9.9+2=9.8-1.3=0.53+0.48=
7.3+0.2=0.5+9.7=79.6+9=0.91+0.08=
二、笔算。
3.07+0.93=51.63+4.75=9.97-5.73=85.6+36.7=
9.58+3.25=49.24+7.97=5.82-0.73=36.83+3.78=
7.99-0.78=11.38-2.92=8.02-4.76=76.8+3.2=
9.27+6.27=42.17+4.37=6.53+0.13=26.69-1.43=
一、口算。
8.6+0.3=6.1+6=78.2+3=0.9-0.33=
1.1-0.1=5.1+4.9=7.2-2.2=0.58+0.38=
8.1+0.1=3.3+6.1=84.1-8=0.56-0.12=
2.5+0.5=6.7-2.4=8.1+1.3=0.87-0.4=
1.9-0.1=4.4+7.2=67.2-3=0.62+0.17=
二、笔算。
8.39+0.43=67.51+1.96=7.79+2.14=62.8-31.6=
8.35-5.92=35.85-7.1=3.24+0.38=98.93-2.08=
6.03-0.38=94.51-9.43=9.15-4.93=84.5-46.6=
7.77+2.62=73.06-8.85=2.39-0.39=19.75+6.39=
一、口算。
8.8-0.4=1.1+1.1=46.6-2=0.73+0.26=
2.9+0.1=5.1-4.2=6.3-3.2=0.7-0.37=
8.1+0.9=1.7+6.6=53.4-6=0.86+0.39=
1.3-0.8=8.4-0.7=7.9-4.3=0.69-0.07=
3-0.1=7.9+1.3=13.4-6=0.96-0.3=
二、笔算。
2.52+0.47=59.73+1.22=8.88+3.65=54-31.6=
8.72-5.03=29.11-4.62=4.59-0.02=50.34-8.37=
6.55+0.25=24.91-8.52=7.2+3.28=98+18.1=
8.21-3.58=55.57-2.89=8.3+0.85=55.36+7.41=
一、口算。
2.4-0.8=6.2+7.1=97.7-2=0.74+0.49=
3+0.5=9.6+3.7=6.5-1.6=0.95+0.22=
8.6+0.6=8.6+7.2=54.7-5=0.61-0.48=
7.4+0.7=7.1+2.6=7.4-2.7=0.57-0.38=
3.5-0.6=4.5+7.5=36.5-8=0.86-0.38=
二、笔算。
3.19-0.87=36.14-2.99=7.72-6.24=91.9-13.1=
9.8+2.99=67.88+5.87=5.91+0.25=26.88-5.05=
7.29+0.32=57.79+7.76=7.71+4.5=82.1-41.4=
7.87-2.87=88.44+2.15=8.03-0.29=41.88+4.15=
一、口算。
4.3-0.7=9.9+6.6=88.7+1=0.7-0.23=
4.3-0.6=8.6+3.6=9.7+2.7=0.89+0.44=
6.8+0.9=3.2+1=61.7+5=0.79-0.16=
5.5-0.3=7.7+4.5=7.8-5.4=0.79+0.18=
5.1+0.4=4+7.9=97.3-1=0.62+0.05=
二、笔算。
5.96+0.25=39.32-9.09=7.22-5.88=65.4-8.4=
9.58-3.6=18.44+4.83=9.16-0.67=68.27+9.51=
4.98+0.9=97.85+6.67=8.19+1.5=75.4-8.3=
9.92+6.58=89.9+5.78=6.49-0.41=56.52+7.88=
一、口算。
1.6+0.2=0.2+4.6=95.5+8=0.93+0.41=
5.7+0.6=7.5-3.8=7.1+2.3=0.56+0.12=
1.6+0.4=8+5.8=60.9+7=0.53-0.05=
7.9-0.2=7.7+2.7=6.6+1.4=0.51+0.43=
7.2+0.5=7.1+5=65.3-5=0.68-0.18=
二、笔算。
8.89-0.43=36.5-7.45=7.18-3.43=87.7-20.4=
9+3.7=11.64-6.28=4.03+0.11=20.75+3.22=
4.23-0.13=11.23-5.68=7.72-6.59=74.6+38.8=
8.27-2.31=83.27-2.5=2.76+0.75=25.05+9.18=
一、口算。
8.5+0.5=4.1+7.8=68.4+3=0.81-0.38=
3+0.6=8.5-3.1=9+4.6=0.99+0.46=
3-0.1=9.2+4.4=35.8+9=0.6+0.29=
3.9+0.2=6-4.6=7-2.6=0.74+0.45=
2+0.2=4+2.1=37.2+1=0.79-0.08=
二、笔算。
6.76+0.79=86.09+2.19=7.87-2.14=55.8-20.4=
9.54-2.51=78.58-4.51=4.09+0.39=96.89+2.95=
9.86+0.77=88.85+1.58=7.84-4.79=57-17.4=
7.96-3.63=19.31+1.07=1.5+0.79=87.66+2.42=
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