人教版四年级数学下册小数加减法简便计算专项练习题37.docx
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人教版四年级数学下册小数加减法简便计算专项练习题37
一、填一填。
5.4+2.26+4.6=5.4+____+2.26
(6.43+1.18)+6.82=____+(____+____)
47.26-8.6-1.4=____〇(____〇____)
二、下面各题怎样简便怎样计算。
1.41+4.2+1.89.93-2.8-3.2
4.59-1.8+2.4119.9+0.64+0.36+1.1
3.9+9.5+3.27.85-0.89-3.11
51+5.2+6.5+781.06+5.94+0.06
5.63+3.68+1.371.88+6.2+4.12+3.8
5.6+1.64+6.36+1.49.63+5.58-8.63
一、填一填。
8.4+3.59+1.6=8.4+____+3.59
(7.82+1.52)+8.48=____+(____+____)
44.38-7.1-2.9=____〇(____〇____)
二、下面各题怎样简便怎样计算。
3.11+4.4+5.69.91-1.9-3.1
6.17-2.3+0.8311.7+0.72+0.28+17.3
7.8+4.2+6.67.08-1.16-5.84
35+3.2+8.9+624.26+3.38+5.62
0.21+3.54+5.791.85+4.1+6.15+5.9
0.9+1.54+6.46+8.19.62+8.51-4.62
一、填一填。
5.6+9.58+4.4=5.6+____+9.58
(1.07+1.87)+4.13=____+(____+____)
40.24-1.3-8.7=____〇(____〇____)
二、下面各题怎样简便怎样计算。
6.54+2.9+5.17.14-2.6-1.4
4.15-1.1+3.8517.2+0.07+0.93+12.8
5.1+2.9+8.79.35-2.16-1.84
29+6.5+4.1+782.87+0.06+6.94
5.05+0.77+1.951.21+0.3+4.79+9.7
4.9+2.45+7.55+4.16.21+9.38-5.21
一、填一填。
4.8+4.18+5.2=4.8+____+4.18
(1.56+4.99)+4.01=____+(____+____)
10.59-2.8-7.2=____〇(____〇____)
二、下面各题怎样简便怎样计算。
5.79+2.4+7.69.68-2.8-3.2
4.24-1.8+2.760.8+0.85+0.15+19.2
3.3+2.3+4.97.72-1.76-2.24
99+9.8+8.2+754.17+0.77+9.23
0.53+5.57+6.471.91+4.7+6.09+5.3
4.8+3.71+1.29+3.29.31+2.19-5.31
一、填一填。
3.6+4.72+6.4=3.6+____+4.72
(1.93+4.61)+2.39=____+(____+____)
39.45-8.1-1.9=____〇(____〇____)
二、下面各题怎样简便怎样计算。
4.28+3.9+5.17.57-3.8-2.2
6.93-1.2+0.0713.9+0.56+0.44+11.1
8.6+6.4+7.99.15-1.31-2.69
75+3.9+8.2+150.89+0.32+5.68
5.17+8.25+3.831.87+8.2+6.13+1.8
3.2+0.29+9.71+5.87.79+1.59-3.79
一、填一填。
1.6+3.27+8.4=1.6+____+3.27
(5.65+2.54)+4.46=____+(____+____)
28.58-3.4-6.6=____〇(____〇____)
二、下面各题怎样简便怎样计算。
5.82+5.6+4.48.63-2.1-1.9
4.27-3.7+3.733.8+0.74+0.26+23.2
5.9+6.9+1.77.97-3.33-2.67
27+4.1+1.8+135.89+0.68+9.32
4.57+1.79+5.435.32+1.3+2.68+8.7
5.5+3.78+2.22+0.57.12+8.03-5.12
一、填一填。
9.5+8.08+0.5=9.5+____+8.08
(7.99+1.59)+4.41=____+(____+____)
16.72-7.1-2.9=____〇(____〇____)
二、下面各题怎样简便怎样计算。
6.22+5.3+3.77.18-1.6-3.4
5.99-3.6+1.010.8+0.08+0.92+24.2
1.6+2.6+4.58.13-2.86-3.14
29+4.6+3.7+125.59+3.88+6.12
3.22+6.73+5.783.22+0.4+3.78+9.6
1.7+2.79+6.21+8.39.97+8.68-4.97
一、填一填。
5.2+5.98+4.8=5.2+____+5.98
(1.91+3.75)+3.25=____+(____+____)
27.51-6.6-3.4=____〇(____〇____)
二、下面各题怎样简便怎样计算。
7.95+5.2+3.88.74-2.1-1.9
4.35-3.8+5.656.4+0.68+0.32+19.6
4.4+4.9+7.67.93-3.65-3.35
77+2.5+8.7+333.52+2.77+4.23
5.05+5.46+3.951.03+3.7+7.97+6.3
2.4+4.81+4.19+6.67.81+4.43-6.81
一、填一填。
2.9+1.79+7.1=2.9+____+1.79
(1.39+2.56)+7.44=____+(____+____)
17.47-5.3-4.7=____〇(____〇____)
二、下面各题怎样简便怎样计算。
1.07+5.9+2.18.17-2.8-1.2
4.75-2.3+4.2519.1+0.69+0.31+9.9
5.2+5.5+2.79.29-2.79-1.21
13+3.6+9.4+948.84+5.25+2.75
5.89+2.68+0.113.58+1.6+4.42+8.4
2.2+4.21+5.79+4.89.26+7.33-5.26
一、填一填。
6.7+2.45+3.3=6.7+____+2.45
(3.12+1.24)+5.76=____+(____+____)
49.79-4.5-5.5=____〇(____〇____)
二、下面各题怎样简便怎样计算。
6.72+4.3+3.78.64-3.5-2.5
6.48-2.7+1.5219.2+0.13+0.87+1.8
2.2+4.6+6.69.12-2.84-3.16
67+7.5+2.6+733.82+3.52+6.48
5.85+2.02+4.152.86+6.3+6.14+3.7
3.5+3.94+1.06+4.58.26+4.33-4.26
一、填一填。
4.9+1.62+5.1=4.9+____+1.62
(5.42+2.36)+5.64=____+(____+____)
38.87-7.3-2.7=____〇(____〇____)
二、下面各题怎样简便怎样计算。
9.99+1.7+7.36.37-3.3-2.7
4.01-2.5+2.9917.4+0.32+0.68+2.6
9.2+8.8+2.67.86-0.31-5.69
89+9.2+4.6+976.46+4.96+2.04
2.52+9.23+7.481.22+0.9+7.78+9.1
2.5+1.81+3.19+5.59.64+5.94-6.64
一、填一填。
5.7+5.62+4.3=5.7+____+5.62
(4.49+1.41)+4.59=____+(____+____)
48.53-1.6-8.4=____〇(____〇____)
二、下面各题怎样简便怎样计算。
7.09+3.8+3.28.43-2.1-3.9
4.91-1.2+5.0916.8+0.93+0.07+12.2
5.6+8.7+8.78.33-0.43-5.57
28+7.2+7.7+568.99+5.15+3.85
3.37+5.81+6.635.95+5.2+0.05+4.8
5.7+1.09+5.91+1.39.66+9.69-4.66
一、填一填。
1.9+9.06+8.1=1.9+____+9.06
(7.51+4.21)+4.79=____+(____+____)
47.98-5.6-4.4=____〇(____〇____)
二、下面各题怎样简便怎样计算。
8.82+3.8+5.26.66-2.1-2.9
4.13-1.2+2.872.6+0.97+0.03+25.4
2.9+3.6+5.87.63-3.03-3.97
68+7.8+5.9+950.17+4.76+5.24
2.04+8.31+3.961.48+4.1+4.52+5.9
2.8+1.33+3.67+5.26.75+8.62-3.75
一、填一填。
7.2+3.22+2.8=7.2+____+3.22
(4.34+4.69)+4.31=____+(____+____)
31.92-7.3-2.7=____〇(____〇____)
二、下面各题怎样简便怎样计算。
7.42+2.9+6.17.29-1.3-3.7
4.37-1.9+2.6317.8+0.49+0.51+6.2
3.5+2.2+8.47.48-2.97-4.03
97+2.1+8.8+756.75+5.59+0.41
3.64+9.91+5.361.13+3.6+8.87+6.4
4.2+2.53+7.47+2.89.52+8.01-5.52
一、填一填。
6.2+8.53+3.8=6.2+____+8.53
(7.88+2.18)+5.82=____+(____+____)
18.99-6.7-3.3=____〇(____〇____)
二、下面各题怎样简便怎样计算。
2.34+2.2+7.89.08-3.5-0.5
4.61-2.8+4.398.8+0.12+0.88+20.2
6.3+1.3+4.69.31-1.34-3.66
83+5.1+9.4+768.67+0.03+9.97
5.38+6.79+4.620.45+6.4+7.55+3.6
0.1+1.56+4.44+7.99.31+4.34-4.31
一、填一填。
5.3+1.68+4.7=5.3+____+1.68
(1.64+2.73)+6.27=____+(____+____)
14.16-5.5-4.5=____〇(____〇____)
二、下面各题怎样简便怎样计算。
4.02+3.1+4.99.42-1.7-2.3
6.25-3.7+2.7514.5+0.99+0.01+8.5
1.7+8.3+1.98.94-1.66-3.34
44+3.2+6.9+188.35+4.52+3.48
0.88+5.86+7.125.98+1.9+4.02+8.1
4.8+1.07+3.93+5.28.69+0.31-4.69
一、填一填。
6.6+5.57+3.4=6.6+____+5.57
(7.22+1.93)+6.07=____+(____+____)
30.79-4.3-5.7=____〇(____〇____)
二、下面各题怎样简便怎样计算。
9.03+2.1+3.99.12-1.4-2.6
4.27-3.3+5.7319.8+0.61+0.39+0.2
1.4+8.5+6.39.06-0.45-6.55
39+4.3+8.9+133.23+2.02+6.98
1.91+8.51+5.092.59+6.6+4.41+3.4
4.4+2.16+2.84+5.69.89+5.38-7.89
一、填一填。
1.6+2.67+8.4=1.6+____+2.67
(7.81+1.27)+7.73=____+(____+____)
24.02-6.3-3.7=____〇(____〇____)
二、下面各题怎样简便怎样计算。
3.63+1.5+8.58.95-2.1-1.9
6.66-2.3+3.3412.2+0.99+0.01+15.8