人教版四年级数学下册小数加减法混合运算专项练习题99Word文档格式.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99Word文档格式.docx
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7.8+0.6=6.6+1.1=0.88+0.08=5.3-0.3=
6.8-0.1=8.6-1.6=0.81-0.06=8.3+0.7=
8.2+0.7=6.4+2.2=0.85+0.49=8.7-0.8=
6.3+0.5=7.5+2.5=0.9-0.44=4.8+0.1=
0.89+0.27+6.66-0.39-4.6172.5-10.7-34.5
72.27+32.86+14.5970.13-20.02+28.74.18-1.62+2.13
30-(1.45-0.47)77+(22.5-1.4)5.91+1.95+2.52
7.2+0.5=8.8+0.5=0.84+0.4=3.2-0.5=
2.8-0.2=8-3=0.68+0.45=1.5+0.7=
1.6-0.6=8.6-4=0.64+0.09=6+0.5=
1.5+0.5=7.4+3=0.8-0.02=3.9+0.8=
6.2-0.7=6.2+4.3=0.66-0.29=6.5-0.7=
9-0.8=6.7+3.1=0.71-0.2=6.7+0.6=
3.7-0.9=6.1+0.1=0.88+0.15=1.8-0.4=
6.8+0.4=8+3.1=0.82+0.21=6.5-0.3=
0.82+0.07+5.25.8-0.29-1.7159+22.1+14.7
77.56-31.49+20.8774.88-20.5+52.533.57+1.96+1.34
80-(3.81-0.85)68.2-(22.4+4.3)4.63+1.8-1.97
1.7-0.4=8.5+3=0.79+0.41=5.4+0.7=
6.4+0.8=7.9-4.7=0.62-0.15=1.6-0.3=
2-0.1=7.9+0.3=0.68-0.05=2.2-0.3=
1.4+0.1=8.2+3.8=0.75-0.21=1.7+0.7=
1-0.4=8.8-2=0.62+0.27=1.7-0.7=
5.6+0.4=6.8+2.1=0.68-0.39=5.8+0.8=
2.7-0.9=7-0.1=0.62+0.19=5-0.5=
5.8+0.5=7.9+3.2=0.76-0.39=4.5+0.4=
0.74-0.01+8.25.1-0.65-2.3573.5+56.5-13.4
89.76+34.3+53.1577.74-23.18+54.689.46+1.55-5.95
40-(4.03+0.53)93.1-(28.9-1.4)9.67+2.34+6.24
3.5-0.6=6.6+2.9=0.86-0.08=5.4+0.7=
8.1+0.6=7.9-4=0.61+0.16=3.7-0.9=
7.6-0.6=6.5-3.8=0.88+0.43=6.5-0.8=
7-0.2=7.1+4.7=0.63-0.04=5.6+0.1=
7.1+0.3=8.3+2.3=0.67+0.34=6.2+0.2=
3.6+0.7=6+3=0.9+0.44=9+0.5=
7.2-0.8=8.6+2.3=0.89-0.03=7-0.4=
2.2+0.5=6.9+3.7=0.6+0.19=8.1+0.7=
0.86+0.29+5.46.8-0.29-1.7190.6+18.5+37.6
69.18-30.08+98.0684.57+32.26+56.076.88+3.01+1.09
20-(9.85-0.63)96-(20.5+7.9)4.77+2.3-1.29
3.6+0.7=6.4+1.1=0.64-0.4=4+0.9=
7.8+0.1=9-4.7=0.81-0.06=3.5+0.4=
7.4-0.4=9-4.4=0.81+0.28=1.2-0.5=
3.2+0.6=7.9-0.4=0.61-0.21=7.9+0.4=
1.6+0.3=6.3-0.6=0.86+0.24=1.4+0.9=
8.2-0.1=7.5+4.7=0.65+0.05=3.5-0.8=
1.3+0.2=7.3+1.4=0.65-0.29=8.9-0.9=
6.1+0.8=8.4+4=0.61+0.3=5.3+0.5=
0.7-0.43+0.55.7-0.86-4.1450.1-12.7-21
81.39-11.26+42.5161.53+33.51+72.687.88+2.74-4.81
70-(7.83-0.77)73.2-(24.8-9.2)3.74+1.57-1.7
6.9-0.2=6.6+2.7=0.76-0.08=4.5+0.2=
2.5+0.9=7.9+4.4=0.77+0.31=7.7+0.9=
6.9+0.3=7.6-1.1=0.83-0.02=2.4-0.1=
5.3-0.6=6.9-1.3=0.87-0.14=2.9+0.8=
2.6-0.8=7.3-4.1=0.67+0.16=7.4+0.3=
1.1+0.4=8.5+4.1=0.7-0.14=8.4+0.8=
6.1-0.5=7.4+4.7=0.73+0.14=8-0.9=
4.2-0.6=8.8+0.2=0.82+0.38=1.7-0.5=
0.84+0.31+9.36.7-0.66-1.3436.1-14.3-18.2
80.51+48.14+99.9986.28+29.67+84.34.88-2.25+2.11
30-(1.87-0.53)98+(11.1-1.6)9.33-4.03+4.03
9+0.1=7.8-3.6=0.76+0.15=7.6-0.4=
2.3+0.3=7.8+0.1=0.71+0.34=7.1-0.9=
4.7+0.4=6.8-0.7=0.74-0.36=8.7-0.6=
2-0.2=7.9-1.5=0.87+0.3=4+0.3=
8.9-0.1=8-4.4=0.89+0.09=1.2-0.2=
6.4+0.7=7.3-3.1=0.88-0.21=1.4-0.7=
3+0.5=8.9-4.1=0.62-0.04=2.4+0.8=
7.3+0.4=8.8-4.3=0.87+0.05=5.3+0.5=
0.64-0.32+2.59.8-0.17-2.8391.8-18.6+39.4
84.65-48.22+86.6983.08+47.94+44.974.16+1.29-2.07
50-(5.28+0.2)99.9-(20-5.2)4.34+1.54+1.69
5.9+0.5=7.2-2.3=0.8+0.08=5.5+0.4=
2.1+0.9=8.8+3.4=0.6+0.33=7.7-0.7=
1.7+0.6=6.5-1.8=0.85+0.04=8.8-0.9=
8.2-0.6=7.2-2.4=0.63+0.37=2.1-0.9=
4.8+0.3=8.5+2.6=0.62+0.43=2.5-0.8=
6+0.7=8.3+3.1=0.68+0.1=6.3+0.9=
8.7-0.8=7.8-4.2=0.88-0.16=1+0.3=
1.5-0.1=7.3+1.6=0.65+0.15=1.5-0.9=
0.78-0.08+4.36.2-0.62-2.3876.7-25-14.7
71.92+34.98+15.9168.73+37.4+82.847.58-1.17-6.19
50-(8.65-0.13)77.7+(19.4+8.9)6.57-1.71-2.85
2.4-0.1=7.6+2.8=0.67-0.27=6.2+0.4=
3.9-0.8=8.4+4.2=0.6-0.46=1.1-0.6=
4.5-0.3=6.9-4.7=0.72+0.11=7.2-0.9=
7.9+0.2=6.3+0.8=0.72+0.11=3.5+0.6=
8.9-0.7=6.5-3.7=0.64-0.47=1.6+0.5=
8.8+0.5=8.5+3=0.81+0.22=4.4+0.7=
6.8-0.2=8.3+0.9=0.7-0.39=6.6+0.6=
8.6-0.3=8.6-4=0.71+0.23=6.6+0.4=
0.82-0.29+3.78.5-0.49-1.5157-10.6+29.6
65.61+23.02+99.7182.78-43.67+15.529.75+3.35+4.39
50-(5.15-0.2)93+(29.1+2.8)5.33-1.79+3.12
4.7-0.5=6.7-0.1=0.78+0.39=6.7+0.8=
4.2-0.4=6.8-2.1=0.67+0.01=1.6-0.5=
3.8+0.8=7.7-1.6=0.67+0.48=8.8+0.6=
3.7+0.1=8.3+2.1=0.64+0.12=5.2+0.6=
8.6-0.2=7.6-4.1=0.74-0.22=1.3-0.8=
5.4-0.7=7.3+4.6=0.76-0.03=7.6-0.3=
1.6-0.8=7.9-4.6=0.78+0.17=3-0.8=
5.5-0.1=8.8+3.4=0.67-0.14=6.3+0.5=
0.67-0.4+8.15.5-0.18-4.8299.8-17.3+71.3
65.69+28.25+17.9960.48+30.38+94.226.77-2.82-3.3
80-(1.43-0.6)60.1+(24-3)4.71-1.94-1.68
1.6+0.1=6.5-0.1=0.69+0.25=2.6+0.3=
8.7-0.4=8.2+1.7=0.85-0.23=2.1+0.7=
4.5-0.2=6.9+3.5=0.86+0.43=2.7-0.8=
4.9+0.2=8-1.9=0.61+0.24=9+0.6=
8.6+0.5=8.5-1.6=0.89+0.17=5.1-0.3=
6.9+0.8=6.6-2.7=0.64+0.17=5.3+0.1=
7.2-0.3=8.2-3.7=0.64-0.41=1.8+0.4=
5.7+0.4=9-2.9=0.8+0.16=2.8+0.8=
0.85-0.42+1.36.9-0.58-1.4255.5+31.1-24.1
61.06-38.28+66.9181.92+33.98+13.636.45-1.84+1.85
30-(8.28-0.92)80.5+(18-7.1)7.22-1.06-4.46
3.9+0.6=6.5+4.1=0.9-0.16=5.6+0.3=
2.6+0.1=6.1-0.7=0.79-0.42=1.6+0.5=
2.5-0.3=7.9-4.4=0.64-0.02=6+0.5=
6.3+0.1=8.3-1.5=0.68+0.35=7.2+0.1=
8.5+0.1=8.4-2.9=0.71+0.23=5.4-0.8=
3.4+0.4=7.7+4.8=0.62+0.47=8.8+0.3=
8.2-0.4=9+3.5=0.88-0.09=3.9-0.8=
7.5+0.3=8.2+0.6=0.84-0.41=1.3+0.1=
0.9-0.26+29.8-0.1-2.997.2-61+26.3
63.45-47.41+27.5569.61-14.06+34.658-3.6+2.52
60-(8.03-0.56)65.2+(13.7-2.5)4.76-1.2-2.64
4-0.2=7.3+4=0.67-0.4=8+0.3=
4.6-0.1=7.8+3.9=0.76+0.35=2.4+0.6=
4.8-0.4=8.8+3=0.88-0.12=5.2-0.5=
1.2+0.8=7.5+1=0.75+0.46=7.6-0.3=
5.5-0.2=7+4.3=0.71-0.38=1.9+0.1=
4.7-0.8=7.7-0.2=0.73-0.38=4.7+0.6=
2.6-0.7=7.9+4=0.69+0.1=6.3+0.8=
7.9+0.6=6.8-3.1=0.74+0.32=1.3+0.4=
0.62-0.2+1.29.3-0.84-2.1684.6+17.1+20.7
66.81-23.78+93.8971.38+35.14+37.169.29-2.04+6.86
50-(6.03-0.41)78.5+(25.8+5.7)4.06-1.78-2.2
2.2+0.2=8.9+0.1=0.68-0.16=2.2-0.8=
6.7+0.1=6.4-3.3=0.88-0.49=6.2+0.6=
2.5-0.4=9+3.8=0.87-0.18=4.9-0.3=
5.5-0.1=8.7+1.8=0.69-0.24=7.7-0.8=
6.2-0.4=8.1+2.3=0.6+0.47=8.8-0.8=
6.5+0.7=7.5+3.3=0.63+0.31=2.9-0.8=
4.9-0.3=6.7+2.3=0.64-0.02=7.8-0.3=
1.1-0.1=6-1.2=0.76+0.19=6.9+0.5=
0.88+0.43+8.18.5-0.41-4.5956.1+18.4+30
82.96+11.94+49.9568.63-32.2+72.133.7-1.78-1.26
20-(8.27-0.41)60.5+(11.9-3.7)8.95-7.13-1.69
6.2-0.6=8.2+2.6=0.75-0.34=8.1+0.3=
2.1-0.4=6.8+1.8=0.62-0.07=8.7-0.1=
7.1+0.6=6.1-4.7=0.74+0.41=1.4+0.8=
4.3-0.5=6.6-3=0.87+0.11=2.3+0.3=
1.6-0.8=6.7-1=0.81-0.37=2.9+0.1=
1.4-0.1=8.7-0.3=0.87+0.36=8.5-0.6=
2.4-0.1=8.1+3.3=0.85+0.3=6.1+0.6=
8.2-0.6=6.9+3.4=0.9-0.34=1.6+0.3=
0.75-0.43+3.75-0.77-1.2350.8+11.1+36
69.25-27.98+48.4582.59+47.21+75.249.56-3.55+3.09
80-(6.33-0.64)74.1+(18.9+1.4)9.18-5.61+2.69
1.6-0.3=8-1=0.86+0.46=2.2-0.9=
6.2+0.6=7.1-4.4=0.7+0.22=2.3-0.9=
6.1-0.8=6.2+2.5=0.89-0.13=2.9-0.7=
2.6-0.5=7.9+2.3=0.83-0.47=5-0.6=
6.1+0.7=7.9-3.7=0.86+0.1=8.5-0.9=
2.6-0.6=6-4.8=0.78-0.44=4.4+0.1=
6.9+0.1=8.1+3.7=0.76-0.23=6.8-0.2=
2.6-0.1=8.7+0.2=0.9+0.05=1.4+0.7=
0.77+0.16+7.75.1-0.4-4.682.4+50.8+14.1
84.22-17.31+15.7966.96-11.5+34.166.49-3.42-2.91
40-(7.13+0.73)84.1-(23.9+4)9.15-3.66+3.88
1.8-0.7=9-4.3=0.82+0.41=5.3-0.5=
5.3-0.1=8.1+4=0.7-0.41=4.2-0.8=
3.4+0.7=8.8+0.5=0.62+0.31=7+0.7=
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