人教版四年级数学下册小数加减法简便计算练习题132.docx
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人教版四年级数学下册小数加减法简便计算练习题132
一、填一填。
3.8+6.45+6.2=3.8+____+6.45
(2.23+3.04)+5.96=____+(____+____)
12.38-3.5-6.5=____〇(____〇____)
二、下面各题怎样简便怎样计算。
6.56+5.8+2.28.29-1.1-2.9
6.49-2.4+1.511.8+0.21+0.79+27.2
3.1+1.5+2.39.74-3.27-3.73
33+1.4+6.3+370.23+5.05+2.95
5.66+7.27+0.344.14+5.2+5.86+4.8
1.9+2.29+7.71+6.19.74+5.41-4.74
一、填一填。
8.1+2.19+1.9=8.1+____+2.19
(4.15+3.88)+3.12=____+(____+____)
10.56-2.1-7.9=____〇(____〇____)
二、下面各题怎样简便怎样计算。
2.43+4.8+2.28.18-1.1-2.9
6.19-1.1+0.8118.4+0.35+0.65+7.6
5.8+5.2+2.89.87-3.91-2.09
58+4.3+4.2+852.28+3.41+6.59
0.11+1.98+8.894.65+2.8+1.35+7.2
2.8+3.11+2.89+3.26.88+3.15-3.88
一、填一填。
1.8+2.17+8.2=1.8+____+2.17
(5.53+2.71)+4.29=____+(____+____)
13.36-4.9-5.1=____〇(____〇____)
二、下面各题怎样简便怎样计算。
2.62+4.4+2.68.69-1.1-2.9
4.96-1.1+3.0411.6+0.76+0.24+12.4
4.3+7.7+7.28.75-0.58-4.42
25+4.4+1.7+465.19+2.69+5.31
4.08+3.76+4.924.22+0.4+4.78+9.6
0.7+4.72+0.28+7.37.45+5.62-3.45
一、填一填。
5.4+1.81+4.6=5.4+____+1.81
(6.44+4.07)+1.93=____+(____+____)
46.25-6.3-3.7=____〇(____〇____)
二、下面各题怎样简便怎样计算。
9.12+3.5+3.58.67-3.6-2.4
4.49-2.6+2.517.7+0.74+0.26+19.3
2.6+2.6+8.88.27-1.29-4.71
48+8.9+3.5+581.68+1.62+8.38
1.85+9.19+6.151.25+0.9+5.75+9.1
4.7+3.05+4.95+5.38.52+3.68-3.52
一、填一填。
2.8+4.87+7.2=2.8+____+4.87
(1.49+3.45)+2.55=____+(____+____)
20.54-5.6-4.4=____〇(____〇____)
二、下面各题怎样简便怎样计算。
5.74+2.4+4.68.95-2.1-2.9
5.65-1.7+3.3510.4+0.93+0.07+16.6
5.7+7.5+1.77.33-2.71-4.29
79+9.8+5.6+170.22+3.78+6.22
4.04+6.39+4.960.59+0.5+6.41+9.5
5.9+1.32+5.68+1.19.63+3.74-7.63
一、填一填。
3.8+6.84+6.2=3.8+____+6.84
(4.06+1.16)+7.84=____+(____+____)
12.35-6.1-3.9=____〇(____〇____)
二、下面各题怎样简便怎样计算。
7.76+2.7+6.39.48-1.7-4.3
6.36-3.5+2.6414.2+0.66+0.34+7.8
5.7+1.2+1.68.25-0.92-5.08
21+9.7+1.7+990.13+5.57+1.43
3.56+3.77+5.441.36+5.5+5.64+4.5
3.9+0.31+6.69+6.18.46+6.86-3.46
一、填一填。
5.9+7.52+4.1=5.9+____+7.52
(4.36+3.93)+5.07=____+(____+____)
36.24-1.8-8.2=____〇(____〇____)
二、下面各题怎样简便怎样计算。
8.57+1.7+8.37.01-1.1-4.9
4.97-2.5+2.038.1+0.37+0.63+16.9
8.2+1.9+4.79.23-2.96-1.04
96+3.4+4.8+294.26+5.62+0.38
1.12+8.84+4.880.33+6.3+5.67+3.7
4.1+2.17+2.83+4.99.98+3.57-6.98
一、填一填。
4.6+6.21+5.4=4.6+____+6.21
(8.64+4.98)+3.02=____+(____+____)
42.65-8.1-1.9=____〇(____〇____)
二、下面各题怎样简便怎样计算。
1.11+4.5+5.56.72-1.7-4.3
6.96-2.1+0.041.4+0.11+0.89+22.6
5.8+9.3+5.28.52-2.54-4.46
17+1.2+9.4+666.05+4.21+3.79
1.37+9.73+7.634.77+8.5+5.23+1.5
3.3+3.82+4.18+6.78.53+8.33-6.53
一、填一填。
4.8+5.61+5.2=4.8+____+5.61
(3.24+4.72)+2.28=____+(____+____)
19.73-8.1-1.9=____〇(____〇____)
二、下面各题怎样简便怎样计算。
8.11+5.1+2.96.69-1.1-2.9
4.69-2.3+4.317.6+0.04+0.96+19.4
7.1+5.4+9.18.88-2.65-1.35
94+9.8+8.9+210.29+0.02+8.98
4.16+9.21+5.845.21+5.2+2.79+4.8
0.5+1.89+3.11+5.59.09+7.94-8.09
一、填一填。
9.5+1.22+0.5=9.5+____+1.22
(2.28+2.28)+3.72=____+(____+____)
36.19-6.3-3.7=____〇(____〇____)
二、下面各题怎样简便怎样计算。
7.26+1.5+8.58.58-2.4-2.6
4.36-2.1+2.6417.9+0.33+0.67+4.1
5.3+2.7+2.89.51-0.72-6.28
32+8.8+7.1+693.09+4.09+4.91
1.94+6.94+4.061.68+2.4+6.32+7.6
3.7+0.11+4.89+6.36.75+4.99-5.75
一、填一填。
5.6+1.29+4.4=5.6+____+1.29
(2.59+2.33)+6.67=____+(____+____)
23.95-6.5-3.5=____〇(____〇____)
二、下面各题怎样简便怎样计算。
9.51+5.5+3.58.22-3.1-0.9
4.22-1.1+5.7811.6+0.51+0.49+17.4
8.6+3.2+6.18.73-1.35-3.65
33+8.2+1.7+688.08+4.86+3.14
5.12+3.51+1.882.46+2.8+5.54+7.2
5.4+3.17+3.83+3.68.54+5.31-3.54
一、填一填。
7.7+9.48+2.3=7.7+____+9.48
(9.01+1.66)+4.34=____+(____+____)
34.23-4.6-5.4=____〇(____〇____)
二、下面各题怎样简便怎样计算。
2.13+5.4+0.69.05-2.3-1.7
6.99-2.8+2.015.7+0.59+0.41+24.3
9.9+1.9+5.99.71-3.08-2.92
59+8.2+1.4+597.71+1.43+6.57
2.38+5.47+5.624.37+9.6+5.63+0.4
3.2+3.37+2.63+3.87.95+9.35-5.95
一、填一填。
4.3+2.96+5.7=4.3+____+2.96
(3.21+4.79)+2.21=____+(____+____)
31.55-3.7-6.3=____〇(____〇____)
二、下面各题怎样简便怎样计算。
5.86+1.2+4.87.24-3.5-1.5
6.53-2.8+0.475.2+0.19+0.81+19.8
3.4+3.6+5.69.25-2.04-1.96
72+1.3+2.5+746.39+4.72+1.28
1.98+5.17+8.025.39+6.5+2.61+3.5
4.4+3.23+3.77+5.68.99+5.27-7.99
一、填一填。
8.2+9.29+1.8=8.2+____+9.29
(7.61+3.51)+4.49=____+(____+____)
29.91-2.1-7.9=____〇(____〇____)
二、下面各题怎样简便怎样计算。
2.65+1.1+5.96.25-1.2-4.8
5.03-2.9+3.971.9+0.29+0.71+26.1
4.6+8.5+6.68.13-2.94-2.06
29+9.1+1.8+973.61+1.87+8.13
4.35+3.28+5.653.02+8.6+4.98+1.4
4.2+1.61+4.39+4.86.18+7.03-2.18
一、填一填。
3.7+2.13+6.3=3.7+____+2.13
(8.26+3.13)+5.87=____+(____+____)
46.62-2.1-7.9=____〇(____〇____)
二、下面各题怎样简便怎样计算。
6.95+4.1+3.97.78-3.1-0.9
6.28-1.1+3.720.3+0.94+0.06+27.7
3.6+3.8+5.77.93-2.53-1.47
66+3.2+2.7+162.74+3.92+3.08
3.75+6.66+5.250.07+1.2+5.93+8.8
4.6+3.26+2.74+1.49.92+6.34-6.92
一、填一填。
3.9+5.48+6.1=3.9+____+5.48
(6.36+3.48)+6.52=____+(____+____)
17.27-1.5-8.5=____〇(____〇____)
二、下面各题怎样简便怎样计算。
5.08+2.8+7.27.43-2.1-1.9
4.52-1.1+4.485.5+0.96+0.04+21.5
4.5+6.9+7.78.03-2.77-3.23
97+4.1+4.6+193.45+2.15+5.85
0.64+2.49+8.365.45+8.7+4.55+1.3
2.9+3.54+3.46+5.16.82+2.56-5.82
一、填一填。
8.1+6.88+1.9=8.1+____+6.88
(8.12+1.41)+5.59=____+(____+____)
15.16-1.6-8.4=____〇(____〇____)
二、下面各题怎样简便怎样计算。
7.08+1.1+5.98.57-2.1-2.9
4.85-1.6+4.1515.5+0.78+0.22+11.5
4.2+9.8+4.99.35-0.03-5.97
53+7.9+4.3+399.93+4.59+2.41
0.37+2.19+7.630.22+7.8+5.78+2.2
5.9+2.02+6.98+3.19.95+4.75-6.95
一、填一填。
1.2+6.64+8.8=1.2+____+6.64
(4.76+2.65)+3.35=____+(____+____)
25.48-7.7-2.3=____〇(____〇____)
二、下面各题怎样简便怎样计算。
7.31+2.9+4.18.12-1.1-3.9
4.39-2.3+5.617.3+0.16+0.84+15.7