人教版四年级数学下册小数加减法综合练习题142.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142
一、口算。
6.1-0.7=7.1+7=58.2+1=0.63-0.23=
5+0.9=5.5+1=6.1+2.7=0.57+0.19=
8.6+0.6=5.3+5.1=27.5-4=0.85+0.47=
8+0.4=9.3-1.2=6.9+5.3=0.7-0.47=
1.5-0.8=3.7+5.1=66.5+6=0.99+0.42=
二、笔算。
8.17-0.28=33.49-8.73=7.13-3.4=82.8-48.6=
8.96-6.83=27.99+7.4=6.53-0.06=32.64-8.5=
4.59+0.43=79.93-6.54=7.36+2.27=63.2+11.5=
9.23+6.33=39.44-6.89=7.36-0.75=29.09+6.87=
一、口算。
3.5+0.8=3.6+7.9=76.6+3=0.84-0.24=
5.8-0.9=8.2-3.9=9.5-5.2=0.93+0.32=
7.2+0.4=1.3+5.3=89.5-8=0.54-0.26=
7.2-0.3=6.9+0.7=6.3-2.6=0.64+0.09=
7.3-0.7=3.9+1.4=62.2+5=0.74+0.2=
二、笔算。
2.86-0.81=91.73-5.29=8.09+5.64=60.6-48.9=
7.95+6.21=25.52-1.91=6.22+0.1=20.97-9.16=
7.33-0.22=59.19+4.03=9.45-6.68=66+32.3=
7.43+4.15=73.46+4.38=2.27+0.98=47.96+9.82=
一、口算。
5.2+0.6=6.3+8.6=42.2-4=0.6+0.04=
4.3-0.9=5.3-2.6=6.5-3.2=0.85+0.09=
3.9+0.7=1.3+8.7=83.5+6=0.65+0.12=
8.6+0.7=7.3-3=6.8+1.7=0.95+0.09=
3.6-0.1=3.1+9.6=48.2-1=0.91+0.39=
二、笔算。
7.47+0.35=90.41-5.94=7.87-6.99=90.1+24.5=
8.33+2.24=12.72+7.66=1.39-0.38=20.84+2.11=
7.33-0.46=87.02-6.97=9.56+4.24=99.6+8.8=
9.67-3.85=63.91+6.71=5.41+0.62=90.2+1.36=
一、口算。
7.3-0.9=9+9.7=41.5+3=0.51-0.05=
6.6-0.1=7.6-3.5=9.9+3=0.77+0.44=
8+0.9=3.6+6.9=19.6+5=0.59+0.23=
3.5+0.2=7+2.1=9.3+3.7=0.98-0.07=
4.9+0.8=1.4+2.4=83.3+2=0.51-0.07=
二、笔算。
2.87-0.34=56.11+9.45=9.4-5.04=65.3+25=
8.36-6.11=84.06+4.43=4.01+0.72=51.26-9.21=
1.54+0.84=15.46+9.91=9.27+4.5=52.1+17.1=
8.54+2.84=76.52-6.55=9.26+0.27=32.88+5.61=
一、口算。
8+0.1=7.1+7.8=48.2+5=0.63-0.34=
2.1-0.5=6.3+1.1=7.3-0.1=0.69+0.19=
4.2-0.8=5.5+4.2=55.8-4=0.78-0.35=
8.7+0.7=5.1+2.4=9+2.7=0.52-0.42=
3.5-0.7=1.5+1.7=87.3+2=0.62+0.24=
二、笔算。
9.7-0.11=55.14+4.31=8.05-2.67=95.9-43=
9.34-2.94=46.61-1.21=5.32+0.18=35.32+5.42=
9.03+0.87=67.6-6.42=7.9+3.21=55+43.8=
7.2-6.19=40.55-6.85=6.14-0.05=86.3+4.36=
一、口算。
2.7+0.8=8+7.2=70.9+9=0.88-0.43=
8.1-0.6=6.6-4.2=7.4+4.1=0.82+0.12=
8-0.1=3.7+4.4=73.2+3=0.87+0.39=
2+0.4=9-3.5=6.7-1.5=0.74+0.35=
3.6-0.4=8+7.7=59.9-5=0.94-0.13=
二、笔算。
9.53-0.35=52.92+5.04=7.06-5.26=73.1+25.4=
8.8+6.24=46.74+3.14=3.54-0.01=53.92+6.2=
4.63+0.6=29.27+3.82=8.88-5.05=72.9-40.8=
7.54-6.31=27.22-7.16=8.76-0.62=49.26+3.58=
一、口算。
6.8-0.5=7+0.3=84.7+7=0.93+0.24=
3.9+0.9=5.5+2.5=9.3-3=0.56-0.08=
4.4-0.4=6.2+4.9=12.4-9=0.58+0.15=
6.6+0.1=5.7-1.7=6.5-2.1=0.88+0.07=
5.5+0.6=4.3+5.9=57.1+7=0.58+0.44=
二、笔算。
5.73+0.14=42.09-4.1=9.98+3.77=86+11.5=
7.27+3.08=51.64+5.68=7.17+0.22=74.28+4=
2.23-0.83=94.38+9.88=7.26+6.1=57.3-42.6=
9.37+1.6=55.59+3.22=2.25-0.07=67.95+4.55=
一、口算。
3+0.9=0.1+2.9=27.8-8=0.82+0.28=
3.1-0.1=5.6+2.5=6.2+4.3=0.7-0.21=
2.5-0.9=2+2.8=51.9-5=0.64-0.25=
6.4+0.3=9.6-4.1=6-2.9=0.66+0.43=
7.2+0.4=7.6+6.4=39.7-6=0.89+0.17=
二、笔算。
6.84+0.1=53.96+9.79=9.87+5.23=51.6-29.1=
8.72+6.64=48.92-7.19=3.92+0.41=45.47+6.84=
8.21-0.13=98.77+2.89=8.6-3.57=61.6+5.4=
7.45-2.59=45.52+2.42=7.8+0.07=74.63-4.8=
一、口算。
7.6-0.3=4.7+4.7=93.3-5=0.6+0.47=
7+0.9=7.8+0.9=9.3-3.7=0.79+0.23=
7.6+0.4=4.4+4.6=92.2-4=0.52-0.4=
7.4-0.6=8.8-2.5=8.6+5.5=0.58+0.2=
5.5+0.6=4.3+5.3=23.1-8=0.75+0.12=
二、笔算。
2.99-0.65=64.39+3.71=7.45-4.78=99.3+2=
9.15-2.49=21.88-7.48=8.29+0.35=84.3+4.95=
1.77+0.68=46.44-4=8.78+3.31=78.6-43.2=
8.21+1.58=38.76+1.34=1.92+0.88=55.86+3.11=
一、口算。
6.3-0.1=1.4+9.8=88.6+6=0.6-0.24=
6.3+0.7=8.1-4.9=8.5+0.6=0.82-0.44=
7.8+0.4=9.1+7.5=95.5-2=0.81+0.12=
8.8-0.4=6.7-2.9=8.2-4.1=0.6+0.01=
6.8+0.1=1.2+0.6=55.2+8=0.58+0.02=
二、笔算。
6.11-0.12=24.37+8.77=8.53-5.46=60.6-22.5=
7.23+1.41=44.21-4.53=2.9-0.6=37.81+6.35=
1.69-0.3=86.86+6.06=7.5+6.49=51-34.4=
7.55-2.12=97.23+2.6=4.85+0.6=47.66+7.16=
一、口算。
6.3+0.3=4.3+7.8=51.3-6=0.81+0.11=
2.2+0.9=8.1-3.1=9.7+1.7=0.64+0.08=
5.6+0.1=7.9+2.8=58.9+9=0.51-0.09=
1+0.8=5.2-1.2=9.2-3.6=0.89-0.35=
8.7-0.1=3.3+2.4=33.8+6=0.91+0.06=
二、笔算。
5.27-0.4=37.35-5.18=7.36+3.5=65.3-21.8=
7.35+3.38=51.55+4.46=6.76-0.26=28.6+8.78=
1.92+0.9=69.61+7.37=7.65-6.62=86.5-22.6=
8.03-3.13=84.08+9.49=3.93+0.67=66.33-2.11=
一、口算。
2.1-0.4=1.2+4.6=58.8-6=0.52+0.2=
5.6+0.1=5.2-2=9.5+4.6=0.94-0.09=
3.2+0.9=6.8+8=30.1+5=0.55+0.33=
6.4-0.8=9.2+3.9=9+0.6=0.58-0.23=
7.4-0.3=1.1+1.7=71.4-9=0.9+0.1=
二、笔算。
1+0.59=48.97+5.89=7.44+5.64=82.6+49=
8.47-3.63=30.35+2=5.6+0.88=83.57+5.65=
7.16+0.27=69.78+1.32=7.21-4.63=95.1+16.7=
8.61+3.2=28.5+5.79=5.99-0.12=53.21-8.28=
一、口算。
7.7-0.9=7.3+6.4=88.9-6=0.72+0.44=
6.7+0.8=7.2-1.7=6.8+5.5=0.67-0.15=
1.2+0.5=2.3+9.4=80.6+2=0.6-0.14=
8.1+0.7=8.8+1.2=6.3-4.1=0.85+0.01=
4.1-0.4=7.5+6.2=29.1-5=0.53+0.35=
二、笔算。
9.21-0.48=88.16+9.39=8.01+4.73=54.3+34.3=
9.99-4.4=91.26-7.92=5.97-0.02=52.36-8.95=
6.3+0.11=43.15+7.02=8.61-4.86=79.3-10.3=
8.39-1.77=26+9.59=6.98-0.25=61.14+3.45=
一、口算。
5.8-0.7=7.7+8.7=19.8-1=0.77+0.46=
5.4+0.9=8.7+0.8=7+3=0.59+0.38=
1.5+0.7=6.8+9=18.7+2=0.88+0.07=
4.9-0.1=8.9+4.6=7.3+1.6=0.7+0.29=
3.8+0.4=7.2+1.2=43.3+9=0.53-0.44=
二、笔算。
5.21+0.02=19.27+4.27=7.64+6.64=60.3+49.9=
7.9+1.22=57.79+8.07=6.59-0.62=60.76+1.32=
8.34-0.33=91.36+4.29=8.57-1.72=60.9-11.7=
8.91+1.81=58.79-9.47=8.96+0.67=47.48+9.11=
一、口算。
7.7+0.9=6.4+9.8=22.1+9=0.64+0.39=
5.6+0.6=5.1-1.7=9.9-1.7=0.57+0.07=
8.8+0.2=5.5+2.3=95.5+7=0.89-0.07=
2.2-0.3=8.2-1.2=7.7-3.7=0.95-0.33=
2.1+0.3=8.6+5.7=60.8+9=0.6+0.3=
二、笔算。
7.26+0.07=32.38-3.33=8.31-5.31=96.2+18.3=
7.44+2.5=50.65-7.56=4.26+0.85=91.35-7.83=
5.03-0.55=74.49-8.16=8.23-6.19=76.4-5.9=
7.88-6.96=31.29-7.56=1.51+0.73=18.98-6.71=
一、口算。
2.4+0.4=4.7+4.6=61.2+2=0.78-0.11=
1-0.7=7.4+1.6=9+3.9=0.66+0.24=
3.9-0.4=0.8+5.5=95.3+8=0.69+0.01=
3.6+0.8=9.3-4.2=6.1+5.5=0.95-0.42=
2.7-0.1=6.1+3.2=85.1+2=0.82+0.17=
二、笔算。
4.6-0.51=95.58-7.93=9.45-2.01=60.2+23=
9.05+2.67=65.34+7.56=7.16-0.06=64.84-3.58=
2.31+0.99=98.78+1.71=7.08-4.45=69.9+39.3=
7.56+1.58=74.09-2.15=3.55+0.43=94.78+1.6=
一、口算。
4.3+0.8=2.7+3=74.2-2=0.91-0.31=
2.7-0.8=6-2.2=9.9-5.6=0.91-0.27=
2.9+0.6=8.7+5.3=57.9+6=0.74-0.44=
3.4-0.2=5.5+0.2=9.9-2=0.53+0.01=
8.6-0.5=8.8+0.1=82.2+6=0.87+0.49=
二、笔算。
3.61+0.83=32.31-7.55=9.63+3.75=72.5+20.6=
9.98-3.52=58.08-6.78=9.51-0.19=84.02+3.78=
6.61-0.75=67.28+1.6=9.71+2.83=91.7-49.7=
7.94-2.87=94.46+2.71=6.14-0.81=28.35+7.58=
一、口算。
2.6+0.4=4.1+4.5=68.4+6=0.58-0.48=
8.3-0.8=9.7-1.4=6-1.5=0.54-0.09=
8.9+0.5=9.5+5.2=47.7-7=0.64+0.42=
2.7+0.2=5.5-2.3=7.9-4.2=0.66+0.08=
7.5-0.7=2.5+3.8=95.2-5=0.56+0.16=
二、笔算。
6.11+0.26=77.65-7.65=9.13-2.32=58.9+3.5=
8.9-1.31=93.26-3.6=4.36+0.81=68.52-8.72=
8.22+0.11=36.11-6.64=7.59-4.92=65.3-35=
9.78-3.66=25.83-4.73=9.62+0.17=56.84-3.52=
一、口算。
3.2+0.2=6.4+7.9=57.2+4=0.74-0.45=
1.3-0.8=6.6-2.9=7.5-4.4=0.95+0.34=
1.5-0.4=2.5+7=66.8-3=0.93+0.35=
8.3+0.2=6.2-0.1=8.1+5.9=0.97+0.48=
6.3+0.7=3.1+7.6=23.1-4=0.51+0.16=
二、笔算。
8.49+0.14=51.96-4.08=8.47+1.94=66.1+9.6=
7.73-5.26=97.78+2.93=6.75+0.35=44.3+9.47=
1.78-0.74=58.6+5.93=7.91+4.67=93.1-25=
7.14+5.04=12.92-3.56=3.55+0.96=69.06+2.77=
一、口算。
7.2-0.1=8.9+3.9=20.9-9=0.84-0.43=
7.2+0.3=5.7+1.7=6.6-4.8=0.67-0.02=
8+0.1=3.9+2.5=18.7+9=0.52+0.06=
4.9+0.6=7.4-4.5=7.3-0.6=0.91+0.46=
8.5-0.8=3.5+8=44.4-8=0.67+0.07=
二、笔算。
1.83-0.17=49.08-2.99=8.16-5.35=55.5+10=
8.68-5.04=77.45+4.99=2.99+0.82=66.84-1.12=
6.98+0.66=30.64+6.34=7.03+1.3=97.1-10.7=
9.08+1.15=24.14+6.3=4.95-0.31=33.48-8.35=