人教版四年级数学下册小数混合运算综合练习题10.docx
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人教版四年级数学下册小数混合运算综合练习题10.docx
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人教版四年级数学下册小数混合运算综合练习题10
一、口算。
6.8-0.9=8.8-2.9=0.66-0.29=8.2-0.7=
3.1-0.7=7.8-2.3=0.72+0.24=7.6+0.4=
4.2+0.3=8.3-0.7=0.82+0.17=6.7-0.8=
4.8+0.6=6.7-1.4=0.84-0.48=1.4-0.4=
3.1-0.9=6.6+3.9=0.83+0.37=2+0.7=
4.3-0.7=6.6-0.2=0.71+0.03=8.9-0.5=
4.2+0.9=7.8-3.4=0.89-0.17=1.9+0.5=
7.9+0.9=8.2-2.7=0.72+0.19=7.7+0.4=
二、混合运算。
0.71-0.15+4.25.9-0.39-4.6198.3+22.8-34
71.28-18.57+21.6283.69+20.79+80.667.62-1.65+4.99
30-(3.43+0.91)80.2-(17.1-2.5)3.79-1.44-2.26
一、口算。
6+0.7=8.3+0.9=0.6-0.45=6.5-0.8=
5.2-0.2=7.9-4.4=0.89+0.15=5.7-0.7=
8.3-0.6=7.4-0.6=0.88-0.3=3.8+0.6=
9-0.6=7.3-4.8=0.74-0.1=7.5-0.7=
8+0.5=8.2+1.3=0.64-0.44=2.8+0.6=
7.4-0.9=7.3-2.4=0.66+0.04=5.4-0.1=
2.8+0.8=8-0.8=0.82+0.43=5.3+0.9=
3.1-0.1=8.8-2.2=0.6+0.06=8.7-0.8=
二、混合运算。
0.89+0.07+6.68.1-0.55-2.4548.1-14-12.2
73.88+30.03+52.1674.35-10.92+71.194-1.54+1.11
50-(9.61+0.29)64.2+(29.9+7.3)5.77+1.39+3.21
一、口算。
4.1-0.1=8.9-0.6=0.77-0.49=7.3-0.7=
1.3-0.1=8.6+0.8=0.86+0.02=5.4+0.8=
7.2-0.3=8.6+3.5=0.71-0.22=8-0.4=
2.7-0.2=8.5-3.5=0.89+0.03=2.5+0.4=
1.4-0.6=9-2.9=0.79+0.39=3.1-0.8=
1.7+0.5=6.1+2.8=0.8+0.34=4-0.3=
5.9-0.1=6.9+2=0.79-0.23=3-0.6=
3.8-0.1=8.7+1.2=0.73-0.19=6.2+0.5=
二、混合运算。
0.73-0.11+5.89.5-0.15-3.8542.4+18.7+17.8
64.77-16.61+55.4374.45+15.03+79.668.41-1-4.44
20-(2.93+0.69)73.6-(18.9+1)5.71+2.33+1.55
一、口算。
5.6-0.5=7-1.9=0.79-0.24=6.1-0.5=
4.4+0.9=8.5-4.5=0.86+0.49=8.5+0.9=
6.7+0.4=8.5+2.6=0.89+0.26=2.9+0.3=
7.6+0.9=7.8-4.9=0.62-0.46=7.7-0.3=
5.9+0.7=7.5-0.9=0.84-0.4=7+0.6=
6.8+0.1=8.8-0.4=0.78+0.39=2.9+0.2=
2.5-0.5=8.6-0.6=0.8-0.06=5.7-0.3=
3.9-0.2=7.8-1.6=0.82-0.44=2.3+0.1=
二、混合运算。
0.66-0.47+0.56.6-0.72-4.2861.1+31.7+28.7
79.5-13.33+11.0577.06-10.73+60.935.98+3.57+2.13
50-(5.85+0.8)96.6+(27+2.3)4.33-1.75-1.96
一、口算。
4.5-0.2=8.1+1.8=0.88+0.05=6.4+0.9=
5.2-0.7=8.6-1=0.87+0.27=7.9+0.9=
7.8-0.7=7.6+1=0.66+0.45=5.4-0.2=
1.9-0.6=7.5+0.7=0.63-0.48=3.7+0.3=
4.8+0.9=8.3+4.9=0.62-0.1=3.9-0.7=
4-0.5=7.8+4.5=0.77+0.41=3.9+0.5=
1.7-0.2=7.5-1.4=0.63-0.19=8.2+0.2=
6+0.4=7.1+3.8=0.88-0.22=3.1-0.4=
二、混合运算。
0.79-0.05+0.79.3-0.36-2.6447.1-13.7+22
72.7+15.52+30.2677.15-19.84+44.165.65+3+2.15
50-(4.52+0.42)79.4-(15.9+7)5.66-3.29-1.3
一、口算。
7.4-0.8=8.9+2.3=0.82-0.16=6-0.5=
8.7-0.3=6-1.8=0.86+0.11=6.5+0.8=
2.5-0.9=7.1+3.9=0.72+0.17=1.4-0.5=
1.7-0.5=7.7-4.4=0.86+0.12=4.7-0.4=
8.9-0.8=8.1+3.1=0.85-0.24=1.8+0.4=
3.4+0.4=8.8+0.1=0.66-0.23=1.3+0.4=
5.7+0.3=7.3-1.2=0.68-0.07=7.5-0.3=
8.7+0.1=7.3+3.8=0.87-0.19=9+0.4=
二、混合运算。
0.61-0.33+7.26.8-0.63-1.3769.8-42.2+11
80.79+32.76+72.4965.99-39.56+20.19.09+2.5-5.54
40-(7.36+0.3)86.5+(28.4+5.7)4.91+1.37+2.04
一、口算。
4.3+0.8=6+4=0.61-0.11=7.1-0.3=
8.5-0.1=8.2-4.3=0.89-0.12=4+0.5=
3.6+0.9=7.3-2.2=0.7-0.14=4.1-0.7=
2.7-0.8=8.6+4.1=0.73-0.38=7.7+0.5=
7.9-0.2=7.9+4.5=0.86-0.34=4+0.7=
3.1-0.7=7.3-2=0.62+0.04=8.8-0.9=
6.6+0.3=7.4+0.6=0.69-0.18=7.2-0.7=
5.7-0.4=7.4-2.3=0.88-0.34=4.6+0.6=
二、混合运算。
0.77-0.07+6.76.8-0.7-4.340.3+25.1-10.4
64.82+39.55+27.0581.42+28.88+35.238.16+6.62+1.1
70-(4.7-0.47)74.4+(29.7+9.5)7.56+5.77+1.6
一、口算。
9+0.5=6.3+0.6=0.64-0.21=2.9+0.6=
6.1+0.4=8.8-4.9=0.65-0.02=4+0.8=
8.9+0.9=8.2+0.9=0.62-0.39=7.4-0.8=
8.6-0.6=7.7-3.3=0.62+0.14=3.6-0.2=
2.1+0.3=8.7-0.1=0.76-0.24=7.2-0.3=
6.7-0.3=8.5+4.7=0.74-0.47=5-0.6=
3.9+0.2=8.3-4.1=0.68+0.07=8.3-0.8=
3.2+0.8=7.7+0.9=0.85-0.14=8+0.1=
二、混合运算。
0.82+0.3+0.56.4-0.45-3.5556.9-23.6+19.8
70.82-45.26+63.1473.26-43.94+21.558.85-1.17-7.22
20-(3.45+0.98)65.8+(16.8+4.8)4.37-2.64-1.2
一、口算。
3.2-0.1=9+4.9=0.8-0.08=8.6-0.6=
4.9+0.8=7.3-3.3=0.8-0.22=5.6+0.6=
1+0.9=8.3+4.6=0.76-0.23=8-0.3=
9+0.6=7.8-4.6=0.74+0.25=7.4+0.8=
1.2+0.1=7.2+4.6=0.66+0.12=8.1+0.8=
1.2+0.9=6.6+3.3=0.89+0.11=4.7-0.1=
3.6+0.5=7-0.3=0.6-0.2=5.8+0.3=
6+0.1=8.1+2.1=0.67-0.11=2.6+0.1=
二、混合运算。
0.88+0.06+4.15-0.13-2.8741.2+16.5-18.1
71.17-10.86+28.983.72-29.01+94.337.37+1.31+4.24
50-(8.22-0.92)85.8-(17.1-6.8)7.84-2.77+2.61
一、口算。
8.3-0.7=8.7-3=0.8+0.24=4.5-0.3=
8.4+0.1=7.5+4.8=0.83-0.18=3.6-0.8=
7.5-0.9=7.6+0.3=0.7-0.38=1.5-0.5=
5.8+0.3=8+1=0.81+0.45=7.7+0.7=
5.6-0.5=7.5-3.5=0.62-0.07=1.6+0.2=
1.8+0.8=7+3.6=0.6-0.05=3.4-0.7=
1.1+0.1=7.5-1.6=0.73+0.04=4+0.7=
1.6-0.4=6.3+3.1=0.79-0.46=8.2-0.4=
二、混合运算。
0.65+0.18+6.76.7-0.88-4.1235.7+10.5+14.5
62.51-43.94+44.0789.23-27.11+72.228.76+1.36+4.58
30-(1.51-0.96)99-(28-1.2)9.32-6.16+1.56
一、口算。
2.7+0.3=6.2+4.1=0.79-0.08=6.8-0.3=
4.3-0.8=7.4+1.4=0.9-0.17=2.1-0.7=
5+0.5=9-4.4=0.81+0.04=6.9+0.5=
5.4+0.2=7.8+2.6=0.82+0.32=5.3+0.3=
8.9-0.6=6.7+1.3=0.76-0.16=4.4-0.6=
4.6+0.6=8.9-4.1=0.68+0.39=6.5+0.2=
6.7+0.8=6.1+1=0.87-0.29=1.7+0.9=
5.8+0.9=7.3+4.9=0.79+0.24=2.5+0.4=
二、混合运算。
0.76+0.39+9.37.2-0.85-2.1594.1+63+15
86.96+41.02+96.4974.26-26.56+76.615.56-3.94+1.19
20-(8.22-0.68)91.6-(23.8-6.5)3.69+1.17+1.1
一、口算。
5.7+0.8=6.9-2.4=0.89-0.3=4.1-0.1=
2.7-0.4=6.9+3.3=0.82+0.35=5.8-0.9=
7.6-0.7=8.7+3.8=0.62+0.21=5.7+0.5=
3.8+0.3=7-0.6=0.8+0.45=3.4-0.5=
2-0.9=7.6+1.4=0.72-0.42=3.9-0.1=
8.7-0.7=6.1+1.4=0.86+0.4=4.4+0.9=
2-0.6=8.3+1.7=0.81+0.04=2.6-0.8=
6-0.8=7.6-2.5=0.62-0.08=8.1+0.3=
二、混合运算。
0.63+0.49+26.6-0.71-0.2947.7-30.7-14
69.31+13.68+84.5273.11-48.91+74.624.12+2.45+1.66
90-(1.62+0.84)73.1-(29.9-2.9)7.66+4.48-2.24
一、口算。
8.4+0.4=8.4-4.1=0.83+0.12=1.8+0.4=
6.2+0.7=8.9+3.3=0.81-0.45=1.9-0.9=
1.2+0.8=6.4-1.1=0.79+0.07=8.5-0.2=
8.7+0.6=7.7+4.4=0.66+0.21=1.9+0.7=
4.9+0.1=8.5-4=0.82-0.44=5.6+0.2=
1.5+0.6=8.4+4.2=0.72+0.42=2.9+0.6=
2-0.6=6.7-3.5=0.85+0.34=7.1+0.2=
4.9+0.9=6.9-3.5=0.7+0.42=2.3-0.1=
二、混合运算。
0.86-0.12+2.35.1-0.67-1.3394.1+28.1-15.1
84.22-35.95+95.9279.98-23.54+88.818.83-3.56-1.54
20-(5-0.48)73.1-(29.3-6.5)9.46+5.06+2.34
一、口算。
5.6-0.7=8.7+4.3=0.62-0.21=6.8-0.3=
4.1-0.7=8.9-3.6=0.71-0.11=8+0.6=
1-0.4=6.9-0.2=0.78+0.12=2.6-0.2=
2.7+0.8=9-0.5=0.6-0.27=8.4+0.3=
7.4-0.6=8.3+0.6=0.82-0.29=6.9+0.4=
8-0.1=6-0.8=0.74+0.27=4.2+0.2=
2.5-0.8=6.8-1.2=0.64-0.31=4+0.2=
6.5-0.2=6.8-3.5=0.89+0.12=2.5+0.8=
二、混合运算。
0.6+0.49+7.76.5-0.63-4.3777+28.5+34.4
61.61-18.06+74.670.38-48.46+55.856.43+4.64-1
80-(2.88+0.41)60.3+(14.8-3.1)9.83+3.45+1.72
一、口算。
8.9-0.8=7.5+4.3=0.78+0.01=5.7-0.3=
7.7+0.4=8.4-2.7=0.63-0.03=3.8+0.8=
7.8-0.1=7.7-4.9=0.82-0.22=2.1-0.9=
7.2-0.4=8.6+3.3=0.86+0.2=4.3+0.2=
4-0.4=9-1.6=0.88+0.17=5.8-0.9=
1+0.6=8.1-3.9=0.84-0.07=5.4+0.8=
5.6+0.1=7.3-2.8=0.6+0.29=3.8+0.8=
6.1+0.5=6.2+0.4=0.66+0.24=6.1-0.1=
二、混合运算。
0.83-0.41+1.86.2-0.86-0.1449.3-30.1-10.2
60.74-28.03+62.2469.66-34.92+94.869.74-6.3-1.64
50-(5.22+0.22)68.5-(16.1+3.7)6.41+4.66-1.62
一、口算。
7+0.5=6.1+3.4=0.67+0.4=7.2-0.2=
3.2-0.6=7.4-1.7=0.63-0.42=6.6-0.7=
6.2+0.2=6.9+1.7=0.72+0.37=4.7-0.7=
1.4+0.6=7.6+1.1=0.6+0.38=5.2+0.1=
6.4+0.7=7.9-2.9=0.83-0.27=4.1+0.2=
8.7-0.5=7.7+2.8=0.83-0.47=8.4+0.1=
2.4-0.7=9-4.1=0.9-0.3=8.4+0.1=
4.1-0.7=6.5+4.4=0.63+0.43=8.3+0.8=
二、混合运算。
0.7+0.27+6.89.9-0.23-3.7769.3-24.2+43.5
75.66+16.45+39.5666.88-47.16+11.265.91+2.18+1.01
80-(4.45-0.23)71.2-(11.6-2.7)7.97-3.93+2.06
一、口算。
2.3+0.3=6.4-0.7=0.63+0.26=2.5-0.2=
6.7-0.9=8.5-0.9=0.66+0.02=8.3-0.5=
8.3+0.7=7.2+1.7=0.87+0.35=6.3-0.9=
7.8+0.1=6.4+1.8=0.84-0.41=3.1-0.3=
8.7-0.9=7.7-2.1=0.65-0.18=5.6+0.5=
1-0.2=7.2+2.2=0.7-0.43=1+0.9=
8.3-0.2=8.7-4.8=0.74+0.28=7.7-0.8=
1.3+0.9=8.3+2.1=0.81+0.33=8.5-0.1=
二、混合运算。
0.64-0.09+8.78.4-0.25-4.7576.1+52-17.2
70.35+47.35+95.3487.77+24.51+55.378.18-4.37+3.63
30-(7.7+0.44)88.1-(11.2+9.9)4.59+1.14-3.36
一、口算。
2.6-0.8=6+2.4=0.64-0.25=8.1+0.4=
6.6+0.5=8-3.8=0.84-0.39=3+0.4=
2.6-0.8=6.2+0.9=0.87+0.33=3.4-0.8=
8.
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