人教版四年级数学下册小数混合运算综合练习题58.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58.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58
一、口算。
5.8-0.7=8.8-4.4=0.63+0.05=8.5+0.7=
7.7+0.8=8.8+0.9=0.66+0.4=8.5+0.9=
7.1-0.5=8.3+4.9=0.89+0.47=2.3+0.3=
5.8+0.4=7.9-3.2=0.62-0.36=1.7-0.5=
7+0.3=7.4-1.4=0.79-0.11=8+0.9=
4.6+0.3=7.1-2.8=0.61-0.18=2.9-0.6=
7.4-0.5=7.6+2.5=0.84-0.19=3.9-0.3=
2.6+0.5=7+2.8=0.78-0.05=6.5-0.5=
二、混合运算。
0.83-0.26+8.79.6-0.43-4.5740.9-20.3+13.1
60.69+34.1+11.3279.38+31.84+81.873.58-1.57+1.42
30-(5.91+0.61)81.2-(17-7)6.75-4.72+1.64
一、口算。
1.5+0.1=7.2+3.8=0.81+0.21=1.9-0.4=
5-0.3=6.4+0.3=0.61-0.01=7.6-0.4=
7.9+0.7=8.5-0.1=0.77+0.27=5.2-0.3=
8.4-0.7=7-4.6=0.74+0.26=3.2+0.9=
4.5+0.2=6.2-3.4=0.6-0.21=7.3+0.5=
4.6-0.7=6-0.8=0.75-0.28=8.4-0.6=
7.8-0.7=6.1+1.4=0.87+0.33=8.9-0.8=
5.1+0.6=6.8-0.6=0.74+0.15=7.7+0.3=
二、混合运算。
0.6-0.38+9.58-0.41-4.5970.8+11.5+14.4
89.71+20.95+37.2174.81+43.18+32.095-1.18+3.59
20-(9.8+0.5)64.4-(21.1+6.9)7.89+4.19+3.64
一、口算。
9-0.4=7.7+4.3=0.61+0.49=7.7+0.8=
8.2-0.4=6+4.4=0.84+0.44=6.6-0.1=
4.2-0.8=8.1-0.3=0.64-0.35=3.8-0.7=
6.7-0.9=8.1-1.1=0.63-0.16=8.4+0.2=
7.4-0.7=9-2.9=0.72-0.02=7.8-0.3=
7.8-0.2=8.9-3.3=0.61+0.1=2.9-0.3=
5.9-0.3=7.9+0.1=0.63+0.22=4.8+0.9=
5.1+0.2=6.3+0.6=0.84+0.08=5.5+0.6=
二、混合运算。
0.64+0.11+2.49.8-0.89-4.1135.6-10.9+12.1
61.24-24.21+70.4381.56+15.81+75.977.13+3.1+2.83
50-(8.1+0.65)99.8+(13.9+7.8)9.03+6.91-1.65
一、口算。
3.6+0.6=6.4-3.9=0.85-0.15=7.7+0.8=
3.2-0.6=7.6-2.4=0.8+0.06=6.9+0.4=
9-0.3=7.4-1.2=0.75-0.43=8.9-0.6=
8.6-0.3=6.7+4.8=0.6-0.01=7.7+0.5=
4.8-0.4=8.7-4=0.77+0.03=5.1+0.4=
3+0.7=8.8-4.4=0.84+0.19=3.4-0.4=
1.8-0.4=6.1-1.3=0.76+0.4=6.8+0.4=
4.8-0.6=6.7-1.8=0.69+0.48=9+0.1=
二、混合运算。
0.74+0.22+1.18.1-0.17-3.8389.6-71.3-16.5
62.68+48.07+26.377.7+35.28+68.849.44-4.3-2.52
70-(2.36-0.28)82.6-(20.4-8.3)7.69+5.41+1.05
一、口算。
4.3-0.5=8.4+1.4=0.6-0.29=3.5+0.8=
2.6+0.8=6.8+4.4=0.84-0.44=6.9+0.4=
2.7-0.3=8.2-0.2=0.8+0.31=6.7+0.5=
3+0.9=8.8+2.9=0.85+0.25=3.5+0.6=
3.9+0.4=7.1+3.2=0.62-0.14=1.9-0.8=
1.9+0.2=7-4.3=0.83+0.49=4.2-0.3=
3.4-0.3=6.9-4.3=0.67+0.27=2.5+0.5=
8.8-0.1=8.7-3.4=0.62+0.14=8.1+0.8=
二、混合运算。
0.76+0.36+6.56.9-0.46-4.5448.1-14.8-15.3
78.69+46.06+93.8361.64-20.59+63.876.6+4.86+1.73
70-(7.91+0.18)63-(10.7+7.8)4.03+1.12+1.82
一、口算。
6.4-0.4=8.7-4.8=0.61-0.35=6.7-0.8=
6.2+0.3=8.2+2.6=0.66+0.02=5-0.4=
3.4+0.8=6.6+3.6=0.68+0.3=4.5-0.6=
8.4+0.6=6.7-0.9=0.88-0.05=5.7-0.2=
8.3+0.1=6.9+1.1=0.76-0.25=7-0.5=
8.9-0.7=7.4+2.8=0.79-0.32=7.5+0.2=
3.2+0.9=6-4.6=0.67+0.39=5.8+0.9=
7.8+0.3=6.2-2.5=0.72+0.01=5.6-0.5=
二、混合运算。
0.79+0.33+1.49.4-0.24-0.7666.1-30-29.5
71.92+34.32+48.7682.61+28.4+69.848.15-4.94+1.03
30-(5.51-0.6)85.1+(26.2+1.6)3.75+1.23+2.23
一、口算。
4.7+0.7=7.9+0.8=0.85-0.09=1.5+0.3=
8.6+0.4=7.3-0.6=0.79+0.17=2.1-0.3=
4.7+0.8=7.5+2.5=0.72-0.12=6.1+0.2=
4.7+0.1=6+2.7=0.87-0.15=8.2+0.4=
3.4-0.7=7.4-1.6=0.8-0.25=7.6-0.6=
3+0.7=7.1+3.8=0.62+0.28=6.2-0.4=
6.5+0.4=8.4-0.1=0.65+0.3=5.2-0.5=
2.8+0.9=7.2+4.6=0.65+0.21=6.6+0.2=
二、混合运算。
0.72-0.34+0.68.9-0.67-0.3392.2+49.2-34.7
75.77+38.46+75.8675.75-33.71+47.416.34-1.83+1.21
70-(9.93+0.33)74.8+(21.3+2.1)8.24-4.36+1.18
一、口算。
8.9-0.3=8.4+2.3=0.75-0.48=8.5-0.7=
2.2+0.5=7.3-3=0.87+0.19=6.3-0.1=
7.8+0.4=8.4-2.2=0.72+0.23=5-0.2=
8.4-0.1=7.6-0.7=0.88-0.36=5.3-0.9=
8.9+0.2=8.5+4.5=0.63+0.44=8.9-0.1=
6.9-0.1=8.9-3.2=0.71-0.03=6.5+0.7=
5.7-0.2=7.8+3.9=0.76+0.29=6.3-0.5=
8+0.8=8.1-4.5=0.76-0.01=6.4+0.3=
二、混合运算。
0.86+0.39+8.16.3-0.3-1.797+66.6+18.3
77.78+28.88+87.8385.13-13.18+54.748.27-2.41+3.66
40-(7.45+0.63)77.8+(16.3+6.1)4.73-2.28-1.64
一、口算。
2.7-0.6=6.2+1.6=0.85+0.27=5.8-0.4=
8.6+0.4=7+3.9=0.9-0.29=1.6+0.7=
1.3-0.7=8.7+1.5=0.88+0.1=8.4-0.4=
4.1+0.8=7.5+4.5=0.89+0.22=2.3+0.2=
1.2-0.9=6.1-0.7=0.74-0.33=8-0.3=
8.1-0.5=8.2+4.4=0.89+0.37=5.3+0.3=
7.6+0.3=7.2+1.9=0.7+0.05=8.2-0.5=
5.3-0.7=7.2+4.9=0.85-0.26=6.8-0.9=
二、混合运算。
0.9+0.04+6.19.9-0.66-1.3454+34.9+16.3
70.4+36.82+99.288.54-39.65+80.969.02+1.56-4.29
80-(3.71-0.86)84.9+(17-2.3)6.78+5.16-1.14
一、口算。
8.8-0.7=8.4+4.4=0.82+0.47=2.9+0.4=
8.2+0.8=8.1-3.8=0.67+0.07=8+0.8=
7.3-0.1=8.3+3.4=0.77-0.17=4.8+0.1=
8.8-0.9=8.6-1.2=0.64+0.46=3.7-0.9=
5.4+0.7=8.8+2.7=0.75+0.05=1.8-0.6=
3-0.5=7-4.6=0.82+0.25=7.5-0.9=
7.8-0.8=6.3+0.9=0.67-0.28=3.1+0.6=
5.8-0.6=8.7-2.7=0.73+0.03=2.2-0.5=
二、混合运算。
0.82+0.04+5.17.8-0.58-2.4265.7-23.9+15.2
83.99-11.91+33.3369.36-19.94+97.889.71+4.16+4.93
80-(1.41-0.54)98-(10.9-5.3)7.79+6.15+1.11
一、口算。
3.9+0.6=6.2+1.5=0.82-0.21=2-0.8=
6.5+0.6=6.8-1=0.83-0.31=6-0.6=
3.8+0.8=8.1+2.5=0.72-0.18=2-0.1=
4.6-0.2=8.7+0.7=0.84+0.05=7+0.2=
7.6+0.5=9-4.4=0.6+0.01=7+0.2=
5.2+0.8=7-1.6=0.69-0.44=6.5+0.2=
3.4-0.5=8.2-4.3=0.78-0.15=5-0.1=
1.2+0.7=7.3+3.6=0.7-0.18=6.2+0.5=
二、混合运算。
0.76+0.16+9.98.2-0.55-0.4540.7-19.6-10.8
89.08-24.68+62.0177.52-18.1+41.816.17-1.04-2.03
70-(1.52+0.94)71+(20.7+7.1)8.15-3.13+1.32
一、口算。
5.3+0.4=6.1+0.6=0.65-0.32=5.4+0.8=
4.4-0.9=7.7+2.9=0.67-0.19=7.9-0.3=
1.9+0.3=8.2-3.2=0.86-0.29=7.8+0.7=
3.7+0.4=6.7-3.5=0.72+0.23=1.8-0.4=
1.9+0.8=7+2.3=0.65+0.48=2.4+0.1=
8.4-0.7=7.8+3.2=0.86-0.29=3+0.1=
5.6-0.6=6.8+4.9=0.67-0.4=5.4+0.5=
6.3+0.9=6+2.2=0.64+0.22=8-0.7=
二、混合运算。
0.69-0.25+7.65.5-0.46-0.5491+33.9-24.2
74.03+13.23+12.577.54-12.94+58.988.68+7.08-1.19
90-(7.98+0.63)92-(12.5-7.7)6.36-2.36+1.27
一、口算。
1.7+0.9=8.8+3.6=0.9-0.49=4-0.8=
4.8+0.6=7.4-0.1=0.69-0.24=4.1+0.6=
6.6+0.8=7.6-3.4=0.81+0.08=7.9+0.5=
5.1-0.3=9+2.3=0.85-0.27=4.4-0.2=
3.7+0.9=8.1-3.8=0.66-0.28=3.2+0.7=
1.3+0.3=6.1-0.4=0.62-0.33=5-0.1=
4.9+0.9=6.3+1=0.9+0.23=7+0.1=
4.6-0.1=6.2-3.6=0.81-0.24=8-0.6=
二、混合运算。
0.83-0.29+8.66.1-0.9-1.191.2+70+15.8
63.71+26.23+54.8374.88-22.44+29.345.17-1.54-1.89
70-(9.68-0.31)94.2-(20.9+2.5)5.88+2.63-3.09
一、口算。
4.2+0.4=6.3-4.5=0.72-0.45=8.5-0.9=
3.2-0.1=6.6-1.5=0.87-0.13=7+0.4=
2+0.8=8.4-1.7=0.88+0.44=5.3-0.9=
8.5+0.3=8.7+0.4=0.87+0.25=4.4+0.8=
2.6+0.4=6.7+3.8=0.88-0.47=7.3+0.2=
2.5-0.3=7.5-1=0.86-0.32=2.1-0.3=
6.6+0.4=7.2-0.8=0.63-0.49=1.2+0.7=
8.6+0.6=9-0.6=0.89+0.19=5.1-0.4=
二、混合运算。
0.83-0.27+0.66.9-0.6-1.468.1+39.9+18.4
83.58-43.23+77.7482.59-33.71+76.198.14-1.11-5.15
80-(6.29+0.77)94.6-(21+6.3)9.37+6.58-1.43
一、口算。
2.7-0.3=9-3.9=0.66+0.05=2.5-0.4=
5.8-0.7=7.1+1.9=0.77-0.07=7.2+0.5=
5.7-0.7=7.5+0.2=0.9+0.26=7.8+0.5=
4.3+0.9=6.8-4.9=0.62+0.15=8.9+0.2=
7-0.8=8-0.4=0.69+0.04=7+0.1=
8.2+0.9=6.3-1.1=0.68-0.41=2.6-0.9=
8.5-0.4=9+0.7=0.66+0.35=2+0.9=
4.2-0.9=8.1+2.8=0.81+0.2=6-0.1=
二、混合运算。
0.76+0.09+9.25.4-0.1-1.972.1+50.6-11.1
82.52-28.99+32.3775.07+24.98+49.915.38-1.49-1.55
50-(7.04-0.55)66.8+(17.2+7.8)6.99+1.48-5.13
一、口算。
3.1+0.6=8.3+1.3=0.84-0.15=3.3-0.8=
6.5-0.6=7.3+4.8=0.66+0.24=7.2+0.3=
4.1-0.4=9+3.6=0.71-0.15=6.5-0.3=
5.8+0.1=8+0.8=0.77-0.03=2+0.5=
1.5-0.5=8.4-1.7=0.74-0.26=6.2+0.2=
5.9-0.7=6-2.6=0.68+0.25=3.2-0.5=
7.9+0.8=6.5-4.3=0.7-0.12=3.1-0.8=
5.1+0.8=8.9+4.3=0.85-0.26=2.5+0.5=
二、混合运算。
0.64+0.35+9.28.4-0.5-3.573.6-44.5-10.4
67.1-39.16+62.9473.22-12.94+69.387.82-4.69-1.84
50-(9.99-0.62)65.1+(27.9+8.8)8.78+5.56-2.09
一、口算。
1.7-0.3=6.1+4=0.9+0.12=7.8+0.2=
2.6+0.3=8.3-1.6=0.65-0.18=7.9+0.3=
7.4-0.3=8.9-0.5=0.8+0.21=5.7+0.5=
6.6-0.9=6-0.9=0.89-0.09=3.4+0.2=
4.4+0.7=6.9+2.7=0.83+0.29=1.9+0.6=
2.3-0.7=7.8-3.3=0.74+0.03=8.5+0.7=
5.3-0.4=6.8-4.8=0.62+0.29=7.8-0.8=
1.2-0.5=6-2.1=0.66-0.34=1.8+0.5=
二、混合运算。
0.72-0.46+8.86.6-0.52-3.4890.5-71.8+15.4
65.98-20.42+78.4678.86-32+72.815.79-1.48-1.81
70-(2.85+0.38)94.6-(28.5-2.7)8.88-2.68+5.44
一、口算。
6.2+0.6=7+1.8=0.63+0.44=1.6+0.5=
1.2+0.5=8.3+4.5=0.73-0.47=2.9-0.3=
9+0.7=7.8-3.8=0.81-0.04=8.1-0.2
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