人教版四年级数学下册小数加减法混合运算专项练习题31Word下载.docx
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人教版四年级数学下册小数加减法混合运算专项练习题31Word下载.docx
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3.5-0.3=7+4.4=0.73+0.09=5.8-0.3=
7.4-0.9=7.1-1.4=0.87-0.49=1.1-0.8=
3.7+0.4=8.3-4=0.85-0.15=6.8-0.4=
1.4+0.9=8.4-2.3=0.67-0.25=2.4+0.9=
0.67-0.29+2.99.6-0.43-1.5742.1+20.4+12.3
70.3-30.39+24.4466.43-40.75+22.264.82-2.32-1.41
60-(5.72+0.42)66.6+(23.8-4.2)4.51+1.19-1.14
6.9+0.4=6.7+0.5=0.89+0.49=2.7-0.1=
4.9+0.4=7.4+2.3=0.8-0.4=7.4+0.9=
3.2-0.5=7.8-0.9=0.76+0.02=4.9+0.1=
7+0.1=7.3+4.7=0.69+0.11=4.6-0.9=
3.7-0.2=7.2-1.1=0.65+0.49=3.2+0.9=
7.3+0.5=7.9-1=0.8-0.1=5.7-0.3=
3.5-0.3=6.7-3.5=0.6+0.18=2.6+0.9=
4.5+0.7=8.3+4.8=0.74+0.24=7.2-0.8=
0.78-0.38+35.7-0.43-2.5780.2-25.4+42.7
75.65+21.38+80.276.07-30.99+80.195.92-3.19+1.76
50-(3.56-0.47)76.1-(19.2+5.1)6.97+4.83+1.95
3.6-0.9=8.9+2.4=0.82-0.18=1+0.3=
8.4-0.1=8.5+2.5=0.74+0.27=6.9+0.3=
7.5+0.5=6.1+3.1=0.89+0.01=1+0.2=
3.9-0.2=6.6-3.9=0.83-0.38=2.8-0.1=
8.2+0.5=7.7-0.1=0.62+0.12=5.6-0.2=
2.8+0.4=7.8+1.2=0.64-0.45=2.2-0.8=
2.3-0.9=8.6-4.2=0.68+0.25=2.8+0.6=
5.3+0.3=6.8+3.4=0.68-0.05=4.4+0.8=
0.66-0.05+1.75.9-0.53-0.4746.7+19.6-25.1
61.97-30.42+27.6766.18-33.96+62.985.22+1.7+2.76
40-(6.15-0.89)88.8+(20.5-2.6)4.43-2.48+1.85
6.8-0.4=6.2+2=0.7-0.06=1.7+0.6=
8.5+0.6=8.3+3.7=0.7+0.43=6.9+0.6=
1.9+0.7=9-0.7=0.66+0.25=7.5+0.1=
2.5+0.2=6.3+4.6=0.78-0.32=6.7-0.3=
8.3+0.8=8.9+0.5=0.8+0.24=5.7-0.9=
6+0.8=7+1.7=0.78-0.44=7.3+0.3=
8.8+0.1=8.6+2.2=0.66-0.15=2.3-0.7=
8.1-0.8=7+0.1=0.81+0.49=1.5+0.9=
0.81+0.26+9.27.9-0.27-0.7394.4-66.5+12.1
70.27-32.89+72.5479.93+43.11+58.114.48+2.27-2.01
80-(8.12-0.8)64.8-(29.1-3.7)4.07-1.91-1.16
3.3-0.1=7.6-2.5=0.73+0.27=7.7-0.4=
2.7-0.3=7.1-4.3=0.87+0.06=2.9-0.4=
1+0.9=8.1-1.3=0.9-0.44=4.7-0.6=
3.7-0.6=8.5-3.1=0.69+0.1=8.5+0.2=
1.9+0.3=7.7-3.4=0.9+0.02=2.5+0.3=
3.3+0.4=8-3.6=0.84+0.33=8.5-0.2=
3.1+0.9=6.8-1.4=0.83+0.12=4.9-0.3=
5.1+0.6=7.1-0.1=0.75+0.47=6.7-0.6=
0.82+0.46+4.48.1-0.13-4.8745.8-10.4-17.6
64.25+28.41+36.5365.29-32.26+42.297.08-3.38-2.97
20-(1.17-0.66)91.5-(11.7-1.4)3.51-1.32+1.32
4.6-0.6=8.1+2=0.82-0.19=3.7+0.1=
1.3+0.6=6.1-1.1=0.73-0.1=9+0.5=
5-0.4=8.6-2.5=0.82+0.04=2.4-0.2=
1.7+0.9=7.9+4.7=0.7+0.31=5.9-0.7=
3.6+0.1=7-4.6=0.89+0.16=3.5-0.9=
1.4+0.9=7.8+2.2=0.67-0.31=1.1+0.1=
8.7+0.4=6.4+2.8=0.63+0.1=1.5+0.7=
4.7+0.6=8.6+2.1=0.76-0.15=2.2-0.7=
0.85-0.11+0.79.6-0.29-0.7136.4+14.2-17.6
72.2+40.19+8776.43-22.07+70.047.06+3.72+2.34
40-(9.55+0.98)92.4-(27.6+8.6)4.27-1.73+1.88
3.3+0.5=7.1-0.1=0.86-0.21=6.4-0.2=
7.5-0.9=8.2+3.4=0.73+0.28=3.1+0.1=
8.1+0.9=8.4+2.6=0.81+0.03=4.8+0.7=
6.6+0.8=7.9-2.2=0.72-0.01=3.6-0.9=
7.2-0.3=6.5+1.5=0.81-0.21=3.6+0.7=
5-0.1=9-0.8=0.68-0.17=2.8-0.4=
2.4+0.3=8.2-4.3=0.73+0.03=5.1-0.3=
7-0.7=6+1=0.83-0.27=8.9+0.7=
0.83+0.09+2.16-0.32-4.6894.6-17.2-24.2
86.03+15.7+76.4961.27-33+78.726.37+3.27+2.22
50-(8.22-0.69)65.1-(21.1-3)6.98-4.1-2.65
8.4-0.1=6.7-3.6=0.83+0.2=6.6-0.5=
5+0.2=7.7+2=0.7-0.2=3+0.3=
7.3-0.8=7.6+4.4=0.81+0.13=5.3-0.8=
6.8-0.4=7.9+4.8=0.78-0.29=5.7-0.6=
9-0.3=8.2-3.9=0.75+0.43=5.7-0.6=
3.9+0.8=8.6+4.9=0.88-0.39=8.8+0.3=
1.5+0.6=8.1-2.1=0.9-0.28=6.9-0.9=
7-0.5=8.3+4=0.67-0.12=2.9-0.2=
0.68+0.33+2.69.6-0.38-2.6289.7-69.1-11.5
73.33-18.26+62.4762.51-44.04+41.358.3+6.29+1.92
90-(5.52+0.58)63.7+(19.5-9.9)4.72-3.01-1.4
7.9+0.1=8.7+0.1=0.78-0.1=3.8+0.6=
3.4-0.2=6.9-2.5=0.61+0.23=3.1+0.6=
4.2+0.3=6.8-0.4=0.69-0.48=8.9-0.7=
6.3-0.5=8.2-2.7=0.78+0.27=2.8-0.3=
1.1-0.4=6.1+2.6=0.81-0.13=3.2-0.8=
7.5+0.7=6-1.7=0.63-0.12=4.7+0.5=
8.6-0.9=7.4-0.4=0.85-0.24=4.2+0.8=
4.8+0.4=8.6-3.2=0.79+0.08=2.9-0.5=
0.67-0.01+9.88.8-0.71-3.2982.7+12.2+48.6
77+33.01+43.986.08-40.87+24.198.99-1.63-7.27
70-(2.16+0.72)63.6-(29.3+5.2)8.83-1.42-7.04
2.6-0.4=8.1+3=0.72+0.4=5-0.7=
8.3+0.2=7.3-2.2=0.76+0.49=4.5+0.5=
5+0.1=7.4+1=0.86-0.08=1.6+0.4=
8.2+0.5=7.4-0.6=0.85-0.02=6.9+0.8=
1.6-0.4=6.1+0.5=0.78+0.15=4.5+0.8=
4.2-0.5=7.1-3.6=0.83-0.11=7.9+0.4=
8.8+0.5=7+1.8=0.65+0.49=6.8-0.3=
1.8+0.8=6-1.4=0.6-0.26=1.6+0.7=
0.6-0.14+0.38.4-0.64-1.3692.2+29.9+32.4
74.88+20+40.6787.78+42.79+11.035.64-1.53-3.49
60-(1.44-0.32)95.1-(23.2-2)7.37+5.54-1.14
3.1-0.1=7.2-2.7=0.63+0.09=7.6+0.8=
4.2+0.6=7.3-1.4=0.69-0.02=5.2-0.5=
8.3-0.6=7.9+3.6=0.62-0.32=6.1-0.3=
1.1-0.6=8.7-3.5=0.7+0.11=4.7+0.4=
2.4-0.3=8.4-2.4=0.82+0.46=1-0.9=
8.1+0.9=7.1-1.2=0.77+0.34=4.7+0.1=
6.9+0.1=6-0.1=0.66+0.06=7.6+0.4=
7.3+0.9=7.6+4.4=0.89-0.46=8-0.5=
0.7-0.48+4.88.4-0.82-2.1846.4+24.5-18.3
84.63+46.81+32.3568.25+26+22.047.06-2.02-3.75
40-(1.79-0.55)96.7+(23.8-5.9)6.59-3.64-1.8
3.7+0.4=8.7-0.1=0.72-0.01=6.4+0.9=
6-0.3=7.3-4.9=0.83+0.12=6.3+0.2=
3.6-0.6=8-0.8=0.78-0.25=6.6-0.1=
2.3+0.4=8.7-2.1=0.73-0.28=3.8+0.7=
7.4-0.9=7+2=0.65+0.13=1.3+0.2=
2.2+0.1=8.5-1.1=0.75+0.42=5.8-0.5=
7.7+0.4=7.8-1.5=0.88+0.24=6.1+0.2=
5.3-0.3=6.7+2.3=0.72+0.06=2.1+0.7=
0.66+0.41+57.8-0.85-3.1570-50.2-11.1
63.74-29.81+51.8685.51+43.7+92.938.21+2.84-3.2
50-(1.65+0.84)86.2+(24.3+7.2)5.61-3.5+2.1
3.1-0.5=6.1-2.9=0.89-0.45=8.9-0.7=
4.3-0.5=6.5-3.1=0.82+0.37=9-0.6=
7.9+0.8=8.4+1.3=0.82+0.01=2.6-0.5=
4.2+0.4=7.9+0.8=0.78+0.45=5.9+0.7=
7.1-0.9=6.8+4.7=0.67+0.22=1.3-0.5=
4.1-0.6=8.5+0.3=0.89-0.15=4.5-0.7=
2.8+0.4=8.1+1.2=0.9+0.32=8.2-0.3=
4.2+0.6=8.5-2.9=0.84+0.33=3+0.7=
0.9+0.35+4.98.7-0.65-4.3576.9-13.8-31.1
83.29+35.16+67.885.36+18.33+16.976.16+1.51-4.12
60-(4.14-0.96)67.2+(26.7+7.5)7.36-5.3+1.48
6.4-0.8=8-0.2=0.7+0.49=2.5+0.5=
6.7-0.4=6.6-2.3=0.77-0.43=6.7+0.1=
3.6-0.9=8-0.2=0.88-0.02=6.9+0.9=
4.9-0.1=8.4-1.2=0.64-0.13=8.7+0.5=
3.7-0.2=8.8-2.8=0.71+0.09=4.7-0.8=
7.2+0.7=8.6+2.6=0.61-0.31=8.8+0.1=
8.4-0.7=6.4-1=0.76+0.16=8-0.7=
2.2+0.2=7+1.6=0.87+0.38=8-0.2=
0.76+0.03+2.99.7-0.13-1.8763.2+15.3-24.3
83.67-17.67+38.4886.41-13.99+21.163.55-1.65+1.17
80-(4.55+0.94)67.7+(20.6-9)5.05+2.07+2.78
3.7+0.8=6.5+0.7=0.78-0.31=3.2-0.4=
2.2-0.5=7-4.4=0.84+0.44=6.9-0.4=
2+0.4=7.3-2.3=0.82-0.48=5.4-0.1=
8-0.6=8.2-1.1=0.75-0.19=6.6-0.4=
6.9+0.4=6.5+1.2=0.64-0.48=1.7-0.6=
7.8+0.1=7.6-2.6=0.69-0.37=3.8+0.7=
1.5-0.8=7.7+3.2=0.88-0.15=3.6-0.6=
2.7+0.8=8.8+2.1=0.67+0.06=5.8-0.8=
0.72-0.25+8.67.3-0.87-3.1389.1+72.7+10.8
64.56-34.29+28.7882.6+13.2+10.833.75+1.65+2.08
40-(5.69+0.4)89.3+(28.4+8.2)5.03-1.72+2.74
2.3-0.9=7.9+4.3=0.68-0.04=5.8+0.8=
3.3-0.1=7.6+2.1=0.87-0.19=3.5-0.2=
3.2-0.2=8.7-4.1=0.65+0.16=5.2+0.8=
1.2+0.5=8.9-2.3=0.9-0.14=2.5-0.5=
4.3+0.3=6.7-3.2=0.66-0.34=2.2+0.2=
4.6+0.9=9+0.1=0.67-0.27=1.3+0.1=
4.1-0.9=6.4+0.9=0.61+0.26=4.3+0.1=
2.2-0.7=7+3=0.87+0.14=4-0.5=
0.81-0.47+8.57.5-0.14-3.8683.4-44.2+17.7
70.39+22.87+69.3181.67+39.69+18.745.49+3.93+1.29
90-(4.11-0.75)60.6-(22.2+5.9)9.85+5.29+4.37
8.8+0.5=8.3+4.5=0.9+0.29=2.7-0.6=
5.2+0.2=8.2-4.5=0.66+0.03=4.9+0.3=
2+0.8=8.6+0.5=0.86-0.12=
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