四年级数学下册小数加减法简便计算专项练习题251Word格式.docx
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4.49-2.9+3.5119.5+0.58+0.42+2.5
8.9+9.4+6.98.62-0.87-5.13
14+8.4+6.5+913.21+5.75+2.25
3.24+5.74+3.765.45+0.6+3.55+9.4
2.5+3.28+5.72+6.56.79+9.97-4.79
6.8+4.46+3.2=6.8+____+4.46
(2.27+1.16)+4.84=____+(____+____)
28.79-6.3-3.7=____〇(____〇____)
8.93+3.1+3.98.38-1.8-2.2
4.17-1.7+5.8312.2+0.63+0.37+7.8
1.5+6.2+3.48.57-0.03-5.97
75+8.9+6.1+864.82+5.48+2.52
2.62+8.23+5.382.48+4.6+6.52+5.4
4.6+0.16+4.84+2.49.78+0.35-4.78
5.3+6.44+4.7=5.3+____+6.44
(7.29+4.08)+4.92=____+(____+____)
19.76-8.5-1.5=____〇(____〇____)
1.08+1.4+5.67.97-1.9-4.1
6.98-2.8+3.0217.7+0.98+0.02+4.3
5.3+1.9+3.98.37-2.71-4.29
41+9.2+6.3+895.52+1.46+4.54
0.06+5.05+5.941.37+8.6+4.63+1.4
2.2+4.12+0.88+6.88.98+0.38-5.98
4.3+2.09+5.7=4.3+____+2.09
(7.17+3.67)+2.33=____+(____+____)
40.02-6.5-3.5=____〇(____〇____)
9.78+1.9+8.17.49-1.6-2.4
6.77-2.4+2.232.7+0.05+0.95+24.3
9.6+2.3+2.49.85-0.78-3.22
41+3.4+7.6+892.65+0.51+6.49
4.66+0.86+4.342.46+7.1+3.54+2.9
5.5+0.73+5.27+3.56.83+1.07-3.83
5.2+9.03+4.8=5.2+____+9.03
(8.83+3.44)+5.56=____+(____+____)
35.49-3.1-6.9=____〇(____〇____)
8.57+2.4+6.67.66-2.4-3.6
4.99-2.5+2.010.8+0.65+0.35+29.2
4.4+8.1+1.97.22-3.03-0.97
78+3.9+2.7+293.79+3.69+2.31
4.54+8.18+5.465.02+7.7+0.98+2.3
5.5+3.51+6.49+1.56.89+7.57-4.89
5.5+9.05+4.5=5.5+____+9.05
(5.92+2.68)+3.32=____+(____+____)
45.04-6.1-3.9=____〇(____〇____)
7.77+5.5+4.58.31-3.8-2.2
5.51-1.2+1.499.4+0.17+0.83+13.6
5.8+4.9+5.47.43-0.23-3.77
96+3.5+7.7+663.79+3.49+3.51
5.28+2.18+2.725.39+4.2+1.61+5.8
0.7+1.51+4.49+9.38.21+7.14-5.21
8.8+3.71+1.2=8.8+____+3.71
(7.68+2.56)+4.44=____+(____+____)
33.47-1.6-8.4=____〇(____〇____)
2.46+4.9+3.17.49-1.6-4.4
5.34-2.8+3.661.7+0.52+0.48+24.3
9.1+8.4+9.19.24-0.52-5.48
91+1.3+3.3+910.15+5.75+4.25
2.48+0.08+7.522.02+0.4+3.98+9.6
5.1+3.65+5.35+0.99.37+9.63-5.37
6.1+6.29+3.9=6.1+____+6.29
(2.41+4.96)+3.04=____+(____+____)
26.04-4.2-5.8=____〇(____〇____)
1.36+5.5+0.57.02-3.4-1.6
4.78-2.6+5.221.8+0.16+0.84+19.2
9.6+3.4+1.59.01-1.27-4.73
13+3.9+1.1+136.08+0.49+7.51
1.04+9.01+8.961.43+2.3+5.57+7.7
5.4+1.58+5.42+4.69.53+7.45-6.53
1.6+3.33+8.4=1.6+____+3.33
(7.32+4.18)+4.82=____+(____+____)
18.98-3.2-6.8=____〇(____〇____)
1.65+4.5+2.58.58-2.9-3.1
4.11-1.4+4.890.3+0.09+0.91+25.7
1.2+8.6+8.27.57-2.69-3.31
82+9.3+4.4+469.01+1.66+5