四年级数学下册小数加减法简便计算专项练习题307Word文档下载推荐.docx
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四年级数学下册小数加减法简便计算专项练习题307Word文档下载推荐.docx
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6.9+1.2+8.67.52-2.95-1.05
64+9.8+1.7+919.03+0.86+5.14
5.07+1.69+4.932.45+6.2+7.55+3.8
1.3+0.33+6.67+6.76.58+4.19-1.58
1.9+5.75+8.1=1.9+____+5.75
(6.55+1.47)+8.53=____+(____+____)
32.51-6.9-3.1=____〇(____〇____)
6.17+4.6+3.47.29-1.1-4.9
5.71-2.8+2.2913.1+0.93+0.07+15.9
9.6+3.4+9.77.07-1.51-5.49
99+8.1+2.7+410.95+5.07+3.93
3.67+1.07+6.334.26+1.2+1.74+8.8
5.3+2.03+7.97+1.77.88+2.29-2.88
7.5+6.43+2.5=7.5+____+6.43
(4.75+3.51)+2.49=____+(____+____)
24.35-5.5-4.5=____〇(____〇____)
7.64+3.6+2.47.69-1.9-3.1
4.51-3.2+3.4913.6+0.09+0.91+15.4
2.6+6.3+4.68.94-1.35-4.65
55+2.9+4.8+430.18+0.77+6.23
2.18+7.74+6.821.61+3.5+5.39+6.5
3.5+2.19+7.81+3.59.36+7.85-8.36
7.8+8.48+2.2=7.8+____+8.48
(6.93+4.07)+3.93=____+(____+____)
17.34-4.5-5.5=____〇(____〇____)
4.88+1.4+8.67.61-3.9-0.1
5.95-1.7+2.0518.6+0.69+0.31+10.4
3.1+5.7+8.98.46-1.97-4.03
42+1.9+6.5+938.52+4.69+2.31
4.14+9.22+5.861.15+9.5+6.85+0.5
5.2+3.71+1.29+4.89.98+9.41-6.98
7.5+5.64+2.5=7.5+____+5.64
(7.94+1.81)+5.19=____+(____+____)
11.21-5.5-4.5=____〇(____〇____)
4.34+4.6+5.47.32-2.7-3.3
5.65-1.6+4.3518.8+0.22+0.78+2.2
9.1+5.8+8.57.75-3.85-0.15
64+4.2+8.9+169.16+2.47+4.53
2.27+6.14+3.730.99+1.8+5.01+8.2
3.7+4.51+4.49+5.37.15+1.43-3.15
3.2+5.27+6.8=3.2+____+5.27
(2.95+2.37)+5.63=____+(____+____)
30.23-6.4-3.6=____〇(____〇____)
1.29+4.1+4.96.89-3.9-0.1
6.71-1.4+0.2918.5+0.72+0.28+6.5
6.3+4.1+9.57.71-1.98-5.02
27+2.7+8.4+654.84+3.85+6.15
2.58+6.91+5.423.79+8.5+4.21+1.5
0.7+3.08+3.92+6.36.77+8.81-1.77
9.2+2.17+0.8=9.2+____+2.17
(8.81+3.35)+5.65=____+(____+____)
14.33-6.2-3.8=____〇(____〇____)
4.88+3.5+4.56.26-3.5-1.5
5.17-3.7+2.8316.7+0.07+0.93+12.3
2.5+7.9+4.39.41-2.19-4.81
59+7.1+5.2+989.22+4.98+2.02
1.28+7.02+5.722.59+4.8+7.41+5.2
2.4+2.17+5.83+3.66.98+4.44-1.98
6.1+1.01+3.9=6.1+____+1.01
(5.45+3.82)+5.18=____+(____+____)
31.29-3.8-6.2=____〇(____〇____)
9.67+1.8+4.26.04-1.6-3.4
6.45-2.8+3.551.1+0.04+0.96+26.9
5.9+5.9+9.29.61-1.06-5.94
89+4.7+5.8+536.93+0.24+8.76
4.98+6.88+3.022.47+0.4+7.53+9.6
2.9+1.44+4.56+4.16.74+6.23-5.74
9.8+8.19+0.2=9.8+____+8.19
(8.32+1.75)+5.25=____+(____+____)
20.68-7.7-2.3=____〇(____〇____)
6.02+3.6+4.48.08-1.2-2.8
6.42-3.8+1.5812.8+0.32+0.68+17.2
2.3+9.5+4.18.85-0.61-5.39
21+7.2+8.2+881.83+2.28+6.72
0.01+6.54+5.994.53+7.3+5.47+2.7
3.8+2.74+5.26+2.29.37+7.24-8.37
7.5+9.31+2.5=7.5+____+9.31
(2.04+3.45)+5.55=____+(____+____)
23.15-5.8-4.2=____〇(____〇____)
7.55+2.9+4.19.47-3.9-1.1
5.06-1.5+2.9410.6+0.49+0.51+19.4
2.3+6.9+3.49.38-0.53-5.47
78+3.8+8.8+435.87+4.45+2.55
5.71+1.48+3.293.96+6.1+6.04+3.9
1.4+4.46+5.54+6.66.84+1.18-1.84
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- 四年级 数学 下册 小数 加减法 简便 计算 专项 练习题 307
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