人教版四年级数学下册小数混合运算综合练习题101.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101.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101
一、口算。
5.6+0.3=6.2+4.5=0.75-0.04=8.6-0.4=
1.4+0.9=7.2-4.9=0.72+0.47=6.4+0.5=
5.1-0.3=8.5+4.2=0.79-0.06=5.9+0.6=
7.5-0.8=8-1.7=0.83+0.29=5.2+0.2=
4.7+0.1=7.9+4.1=0.72+0.22=4.7-0.4=
3.3-0.1=6-4.5=0.85-0.24=7.4-0.3=
3.1-0.1=6.3+1.8=0.87-0.35=4-0.2=
5.3-0.6=8.2+0.2=0.64-0.35=2.3+0.5=
二、混合运算。
0.73+0.01+3.68.9-0.23-2.7777.9-46.8+27.3
83.54-37.3+71.9289.68-40.92+84.64.4+1.43+2.89
80-(3.05+0.11)90.3+(11.9-9.3)4.55+2.15-2.26
一、口算。
8-0.7=6.4+2.4=0.83+0.39=4.5+0.9=
3.5-0.9=7.6+4=0.9-0.09=4.4+0.7=
2.1-0.3=6.1+2.1=0.75-0.36=7.8+0.7=
1.2+0.9=7.3-1.6=0.83-0.15=4+0.9=
3.6+0.5=6.4-0.8=0.79+0.14=3.6+0.4=
5-0.9=6.5-4.4=0.87-0.35=6.7-0.9=
1.8-0.4=7.2+3.1=0.61+0.27=6.7-0.4=
6.7-0.6=6.9+2.4=0.68+0.1=1.9-0.9=
二、混合运算。
0.66+0.42+36.4-0.82-2.1867.4+50.4-11.5
86.45-18.83+57.6888.9-28.52+71.224.88+2.08+1.62
90-(1.51-0.13)98.3+(14.7+9.6)4.91+1.82+1.05
一、口算。
6.7+0.6=6.2-2.4=0.71-0.46=8.9+0.8=
6.1+0.4=9+0.3=0.61+0.03=4.7+0.2=
2.9+0.4=6.6+3=0.68+0.44=5+0.9=
4.3-0.3=8.1+3.1=0.61+0.36=5.8-0.9=
6.3+0.1=8.3+3.9=0.78+0.06=6.7+0.7=
3.1+0.6=9+2.1=0.8+0.13=3.3+0.7=
2.3+0.2=8.2-4.7=0.61+0.09=3.4-0.8=
2.8+0.4=6.3+4.4=0.8+0.34=6.8-0.2=
二、混合运算。
0.9+0.3+8.58.7-0.51-0.4944.2-26.4-11.9
85.21-22.61+36.2882.22-15.51+74.56.31-2.47-2.59
90-(1.87-0.69)83-(22.3+2.1)3.6+1.63-1.92
一、口算。
3.4+0.6=6.3+4.5=0.71-0.13=2.2+0.6=
7.9-0.7=8.2-3.6=0.79-0.13=8.2-0.8=
7.3+0.1=7.1-2.7=0.8-0.29=5-0.7=
3.6+0.4=7.1-2.5=0.87+0.43=7.8-0.5=
7.7-0.5=8.9+4.3=0.79+0.45=4.3-0.7=
4.4+0.5=8.7+0.4=0.84-0.13=4.7+0.6=
3.4-0.3=6.1-0.2=0.76-0.33=1.2+0.3=
2.8+0.3=6+3.2=0.65-0.14=4.5+0.4=
二、混合运算。
0.72+0.46+8.95.8-0.22-3.7835.2-18.3+12.6
70.11-10.99+24.6777.37-12.21+38.356.97+5.07-1.61
80-(9.18-0.86)60.1-(19.6+7.9)4.48+2.82+1.51
一、口算。
7.9+0.9=6.3-3=0.69+0.01=8.5-0.6=
8.4-0.1=9-3.7=0.69-0.07=3.2-0.9=
1.2-0.4=8.3+3.7=0.6-0.12=3.8+0.6=
4.3+0.1=7-2.3=0.7+0.09=7+0.5=
2+0.5=6.5+4.8=0.69-0.18=4.7-0.3=
6.4-0.2=7.7+2.7=0.75-0.39=7.8+0.8=
4.9+0.2=6.7+2.3=0.89+0.35=6.5+0.5=
4.4+0.9=7.5+3.7=0.86-0.04=7.8-0.7=
二、混合运算。
0.83+0.05+5.19.5-0.7-2.374.3+56.3-13.2
85.94-40.13+83.9184.23+11.25+85.986.44-2.35-2.68
60-(6.17-0.1)95.5+(20.6-9.6)7.78+4.37+3.18
一、口算。
4.3-0.8=7.5-2.1=0.6+0.03=3.5-0.3=
1.9+0.3=8.3+4.8=0.73+0.16=6-0.3=
5.5+0.3=8.2-2.1=0.61-0.12=2.5+0.1=
4.5+0.3=6.5+1.3=0.78+0.22=7.8+0.2=
1.9+0.6=8+4.7=0.7+0.2=4.8+0.5=
2.4+0.2=8.8+0.9=0.84+0.09=3+0.9=
8.6+0.4=6.2+3.4=0.78+0.14=3.4-0.7=
4.1+0.8=7.7+2.2=0.65+0.14=3.3-0.3=
二、混合运算。
0.85-0.33+8.77.7-0.33-3.6776.2+17.5+34.8
65.78-35.52+17.1583.71+45.67+26.955.88+2.89-1.86
40-(3.35+0.34)96.5-(29.2-3.6)7.91-4.39-1.79
一、口算。
2.5+0.1=6.2+0.1=0.82-0.41=4.3-0.9=
3.5+0.7=8.5+2.6=0.9+0.45=8.3-0.7=
8.7+0.9=8.2-3.8=0.9+0.05=2.4-0.6=
4.5+0.1=6.2+3.9=0.87-0.26=7.5-0.7=
9+0.8=8.5-2.9=0.76+0.49=7.2-0.3=
2.1-0.4=6.1+4.4=0.67-0.17=1-0.9=
7.4+0.6=6.1-2=0.64-0.46=3.2-0.5=
3.9-0.6=6.7+4.4=0.7+0.29=1.3-0.9=
二、混合运算。
0.73-0.46+1.89.4-0.17-4.8387.3-20.9-13.3
79.88-47.56+25.5673.58-40.09+99.559.76-1.43-6.62
50-(2.53+0.61)66.3-(19.6-3.6)5.72+2.84-2.67
一、口算。
7.4-0.7=8.7+2.8=0.75+0.06=7.7+0.3=
8.2+0.5=6.2+1.3=0.62+0.33=7.9-0.5=
5+0.4=7.7-3.1=0.64+0.11=7-0.8=
4+0.5=7.5+0.1=0.61-0.1=3.8+0.1=
3.1-0.5=7.7-3.7=0.82+0.33=8.7+0.5=
5.4+0.2=6.6+1=0.8-0.33=8.7-0.2=
3.5-0.7=7.2-0.6=0.69-0.32=1.8+0.3=
5.6-0.3=7.7-3=0.79+0.18=5.9-0.5=
二、混合运算。
0.63+0.05+8.87.3-0.19-3.8193.8+21.4-17.1
80.09+34.75+55.7778.72-37.36+56.767.33+5.59+1.48
70-(7.1-0.45)82.5+(23.8-2)6.72+3.72+2.47
一、口算。
5.3-0.6=7.2-1.5=0.73+0.01=5.4+0.4=
2.7+0.4=7.3-4.6=0.62+0.04=8.6+0.1=
8.9+0.4=7.8-0.8=0.71+0.21=5.9+0.4=
4-0.5=6.4-4.8=0.63-0.02=7+0.9=
3.9+0.1=8.1-3.4=0.65+0.31=6.6+0.3=
5.8+0.6=6.2+4.9=0.87-0.13=1.4+0.9=
6.3-0.5=7.3-2.1=0.63+0.36=7.2+0.6=
7.4+0.5=7.7+3.2=0.77-0.37=4.3-0.4=
二、混合运算。
0.77+0.23+5.18.7-0.88-4.1256-26.8-20.5
63.77-43.82+33.6484.98+12.91+26.879.18-4.82-3.85
80-(8.94+0.97)94.8+(26.8+1.7)5.94+3.11+1.77
一、口算。
3.4-0.3=6+4=0.8+0.37=3.5+0.8=
6.2-0.4=7.4-0.7=0.64-0.28=5.5-0.8=
1-0.9=7.8-0.3=0.88+0.43=4.9+0.1=
6.9+0.9=6.7+1.7=0.75+0.19=1.1-0.4=
1.4-0.1=8.7-1.6=0.84+0.46=4.6+0.5=
6.1+0.5=6.8+0.5=0.8+0.49=4.7+0.6=
2-0.2=8.7-3.9=0.86-0.05=3.7+0.2=
5.7+0.9=6.3+1.3=0.84+0.21=6+0.3=
二、混合运算。
0.8-0.47+7.69.2-0.9-2.142.5-17.8+19.8
63.24-16.1+99.6884.95+42.54+79.979.11+4.16-1.99
70-(3.38+0.67)86.1-(29.9-7.6)5+3.35-1.06
一、口算。
2.3+0.3=7.4+4.3=0.63+0.36=3.2-0.6=
8.6-0.5=6.1-0.3=0.68-0.09=1.8+0.6=
8.5+0.1=6.3-2.5=0.88-0.19=6.5+0.4=
8.8+0.5=7.5-0.9=0.88-0.41=6.8-0.7=
2-0.9=8-3.2=0.88+0.38=1.7+0.7=
2.3-0.6=7.5-0.2=0.82+0.44=8.2-0.9=
2.1+0.7=6.2-1=0.71-0.26=7.4-0.9=
5.9-0.9=7.5+1.3=0.8-0.01=4.4+0.2=
二、混合运算。
0.82+0.4+7.78.4-0.69-3.3185.8-42.5+27.7
83.53+32.62+78.0582.8-20.77+84.417.52+2.51-4.02
90-(2.63+0.19)83.2+(17.6+9.4)5.96-2.72-1.73
一、口算。
6.1+0.3=7.1+0.1=0.83-0.3=4.2+0.7=
6.7+0.1=6+1.6=0.75-0.09=2.5-0.5=
5-0.8=6.9-2.5=0.7+0.05=5.9+0.4=
6.2+0.7=8.3+2.9=0.75+0.35=2.4-0.1=
3+0.8=6.1-3=0.82+0.16=1.9-0.2=
6.9+0.7=6.6-3.3=0.73-0.45=6.4-0.4=
2.3-0.2=8.5+3.8=0.81-0.1=6.2+0.4=
2.2+0.2=8.3-2=0.61-0.23=3.1+0.5=
二、混合运算。
0.84-0.45+0.36.6-0.41-3.5996.4-77.1-11.3
89.94+16.75+73.6464.15-27.73+32.535.91+3.37+1.43
40-(6.33+0.18)76.4+(13.4-4.9)6.59-3.34+2.31
一、口算。
2.7+0.4=8.6-3.3=0.76-0.32=7.9+0.3=
1.1-0.9=6.5+1.4=0.87+0.44=4.9+0.1=
2.7+0.6=7.4+2.9=0.78-0.43=8.7-0.3=
6.2+0.6=8.8+1.8=0.85-0.04=3-0.8=
7.3+0.1=8.8+1.4=0.63-0.35=7.1+0.5=
5.4-0.9=7.4+2.5=0.9-0.07=4.3+0.1=
7.2-0.3=8+3.7=0.81-0.24=2.6+0.3=
7.3-0.6=6.7+2.6=0.7-0.2=8.9-0.1=
二、混合运算。
0.75+0.01+5.67.6-0.89-0.1152.2-16.1-27
84.09-20.91+86.6569.84-18.11+34.625.59+1.27-2.2
50-(4.93-0.92)96.9+(23-5.5)5.65-1.11+1.34
一、口算。
5.9+0.5=6.8+3.6=0.7-0.3=6.3-0.8=
5.3+0.1=7.8-4.9=0.65-0.11=2+0.1=
6.6-0.9=7+3.2=0.84-0.21=4.3-0.5=
6.6+0.2=8.1-3.8=0.73-0.43=1.5-0.2=
8.6-0.5=8.2+4.6=0.85+0.48=1.2+0.4=
4.6-0.7=8.4-1.8=0.76+0.45=4.8+0.2=
4.1+0.5=7.8-3.3=0.79+0.37=7.9+0.1=
7.1-0.1=8.2-2.9=0.78-0.23=1.6+0.9=
二、混合运算。
0.87-0.48+9.65.9-0.5-4.539.9-10.1-21.5
67.08+47.74+85.5980.54-27.01+47.285.88+3.76+1.06
70-(1.5-0.78)84.9+(23.2+2.5)9.75-3.83+3.92
一、口算。
1.5-0.2=8.4-0.9=0.62-0.36=4.1-0.3=
5.7+0.6=7.9+2.6=0.65+0.27=1.1-0.4=
4.4+0.3=8.7+4.5=0.78-0.49=4.8-0.9=
1+0.3=8.4-1=0.75+0.36=2-0.2=
8+0.4=6.3+4.3=0.64-0.11=5.7-0.1=
7.6+0.2=7.2+1.7=0.61-0.24=4.7-0.2=
4.9+0.8=6.2-0.4=0.74+0.24=9+0.5=
8.4-0.6=8.4+2.1=0.65+0.41=6+0.4=
二、混合运算。
0.73+0.17+7.16.8-0.67-0.3338.9+22.6+12.4
88.2-23.93+44.3884.19+36.7+81.79.53-7.1-1.78
90-(9.59+0.52)89+(13+1.2)8.58-1.48+1.86
一、口算。
6.1+0.1=6.3+0.2=0.69-0.03=2.6+0.5=
1.7+0.1=7.5-4.4=0.69+0.08=5.3-0.4=
6.2-0.6=8.3-4.5=0.61+0.05=5.1-0.3=
5.4+0.1=7.4-2.4=0.68+0.45=8.8+0.4=
3.5+0.4=6.3-1.7=0.89+0.05=8.3-0.9=
2.7-0.1=8+0.5=0.74+0.32=9-0.4=
8.7+0.3=8.1+2.2=0.88+0.02=1.4+0.6=
5.1+0.3=8.7-3.2=0.9-0.17=1.6-0.2=
二、混合运算。
0.65+0.14+0.19.4-0.14-1.8673.3+45.1+17.1
89.98-31.68+35.7562.17+10.01+36.558.73+3+3.66
70-(4.62+0.29)69.6+(11.4-6.7)3.81-1.16-1.96
一、口算。
9+0.9=8.6-3.7=0.87-0.48=8.3-0.9=
6.5+0.8=6.7+0.2=0.65-0.48=1-0.1=
1.3-0.9=8.7-4.6=0.85-0.02=4.9-0.6=
1.1+0.2=8.9+4.5=0.86+0.23=3.8+0.3=
3.7+0.5=8.5-0.1=0.85+0.41=2.1-0.6=
4.6-0.8=7-3.2=0.77-0.44=6.3-0.5=
8.4-0.1=8.3+3.3=0.81-0.09=3.1-0.1=
5.8-0.4=8.2-2.8=0.78+0.13=6.6-0.3=
二、混合运算。
0.86-0.31+0.76.1-0.38-3.6255.1+20+26.2
64.41-27.98+10.1179+26.63+10.188.87-5.62+1.41
20-(2.26-0.26)60.6-(22+4)6.97-2.07-1.67
一、口算。
7.9+0.4=8.5-1.2=0.69-0.41=4.7+0.2=
1.3+0.1=8.4+1.2=0.78+0.04=2.8+0.1=
6.4+0.2=6.2+2.2=0
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