四年级数学下册小数加减法简便计算专项练习题161Word文档下载推荐.docx
《四年级数学下册小数加减法简便计算专项练习题161Word文档下载推荐.docx》由会员分享,可在线阅读,更多相关《四年级数学下册小数加减法简便计算专项练习题161Word文档下载推荐.docx(8页珍藏版)》请在冰点文库上搜索。
6.8+5.6+8.57.27-1.79-3.21
57+1.2+4.1+329.75+5.45+0.55
2.35+5.17+7.655.75+8.4+1.25+1.6
3.9+1.63+6.37+2.18.11+3.87-4.11
7.1+3.23+2.9=7.1+____+3.23
(7.23+2.95)+3.05=____+(____+____)
34.81-3.3-6.7=____〇(____〇____)
7.01+1.2+5.88.24-3.4-2.6
6.39-3.9+1.614.5+0.85+0.15+24.5
6.8+8.2+6.99.01-0.95-4.05
53+1.6+1.4+572.26+0.11+8.89
2.48+4.24+6.521.35+7.6+4.65+2.4
0.7+1.64+8.36+5.38.88+4.92-3.88
1.1+1.76+8.9=1.1+____+1.76
(4.06+3.66)+3.34=____+(____+____)
18.09-2.9-7.1=____〇(____〇____)
6.15+2.1+6.96.24-2.4-3.6
5.37-2.1+2.639.6+0.05+0.95+17.4
4.7+7.6+8.78.66-0.08-6.92
16+9.3+4.1+768.79+3.26+2.74
1.78+7.19+7.225.38+7.5+1.62+2.5
3.4+4.47+0.53+2.67.33+0.42-3.33
3.2+8.99+6.8=3.2+____+8.99
(6.81+3.74)+5.26=____+(____+____)
47.12-6.8-3.2=____〇(____〇____)
8.93+4.6+3.47.53-1.4-3.6
5.91-1.2+1.0914.3+0.72+0.28+5.7
4.9+5.3+6.29.44-3.99-3.01
57+1.4+1.6+194.47+3.48+6.52
0.13+4.91+9.875.48+0.1+3.52+9.9
2.7+2.55+5.45+7.39.25+1.77-6.25
6.3+1.73+3.7=6.3+____+1.73
(4.54+2.15)+5.85=____+(____+____)
25.06-3.8-6.2=____〇(____〇____)
2.61+3.2+4.88.94-2.6-3.4
4.04-1.4+5.9619.4+0.32+0.68+1.6
1.2+1.5+3.88.62-3.83-2.17
69+2.7+4.4+936.99+4.84+5.16
5.17+9.77+0.835.51+9.5+4.49+0.5
3.2+4.38+1.62+2.86.02+4.29-4.02
3.7+3.56+6.3=3.7+____+3.56
(2.25+3.56)+3.44=____+(____+____)
24.95-1.2-8.8=____〇(____〇____)
2.91+4.3+4.79.48-1.6-2.4
4.49-3.1+2.5111.2+0.32+0.68+12.8
8.4+7.4+5.47.95-3.13-1.87
86+5.5+3.3+794.32+4.76+4.24
3.85+6.97+5.154.37+9.9+1.63+0.1
2.8+0.09+7.91+6.27.78+2.04-5.78
3.9+6.06+6.1=3.9+____+6.06
(2.49+4.81)+2.19=____+(____+____)
45.65-6.7-3.3=____〇(____〇____)
7.28+2.8+3.26.92-1.1-2.9
6.72-1.9+1.2817.3+0.29+0.71+8.7
5.3+2.4+7.47.85-2.36-3.64
13+5.6+5.9+116.24+1.87+5.13
1.54+9.66+8.463.35+4.9+3.65+5.1
5.1+1.46+4.54+2.97.66+5.05-6.66
7.8+1.58+2.2=7.8+____+1.58
(6.98+3.99)+2.01=____+(____+____)
48.75-8.1-1.9=____〇(____〇____)
5.82+2.7+4.39.84-3.6-2.4
4.39-3.5+3.617.9+0.31+0.69+14.1
8.7+6.1+4.97.92-0.02-4.98
78+4.9+3.9+774.03+0.62+6.38
4.96+5.88+5.044.83+4.7+1.17+5.3
0.6+3.22+5.78+7.46.59+0.94-1.59
3.2+4.36+6.8=3.2+____+4.36
(4.12+3.53)+5.47=____+(____+____)
41.91-6.1-3.9=____〇(____〇____)
6.48+5.9+1.16.42-3.6-2.4
5.48-3.9+2.5213.2+0.97+0.03+13.8
6.1+1.3+8.59.37-0.96-6.04
33+4.2+3.5+148.96+0.06+5.94
4.52+5.15+5.480.93+9.3+5.07+0.7
2.4+0.92+6.08+5.69.18+5.95-4.18
3.3+3.84+6.7=3.3+____+3.84
(1.03+1.11)+7.89=____+(____+____)
37.72-6.7-3.3=____〇(____〇____)
8.13+2.4+3.67.25-2.8-1.2
6.91-1.5+2.0914.2+0.28+0.72+15.8
7.8+8.4+8.87.44-0.21-6.79
56+1.6+7.4+597.23+0.38+7.62
2.28+3.14+3.721.27+2.6+6.73+7.4
4.1+4.22+0.78+1.97.73+3.75-4.73