估算填数练习题 (6)

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1、小学数学计算练习 2019/10/30 星期三姓名:_ 座号:_ 情况:_30_840_600_180_42020_40_10_540_54110_2099_0_43039_027_069_026_0_337053_048_0_420_53110_520_98072_0_72140_6814066_13094_190_57057_110_860_36013_06_4041_061_081_021_0_20_306015_02_073_0_340_64037_0_1203_10_90180_68010_0_961907_0_150_630_6313092_0_210_87080_16032_07

2、0_082_044_061_120_510_81160_510_62052_092_018_4035_0_250_33033_012_0_122024_50_160_43907_50_360_550_490_53038_01_0_840_51034_0_163014_3024_085_170_41086_029_029_6036_70_4030_070_091_180_255093_190_660_27027_5046_9046_0_9028_076_15067_0_95190_950_52075_086_170_760_96073_064_13092_18090_0_310_18083_03

3、5_70_220_6212098_098_200_650_790_6012056_0_80_9719079_160_194080_07_10_440_940_479056_079_0_70140_10_3701_0_88180_2350_1730_153087_0_380_680_450_410_830_35045_9047_098_034_70_286089_0_8918083_170_78160_860_820_92044_9055_11026_50_17062_058_120_6513069_0_418078_0_2240_94029_090_0_23084_170_71057_089_

4、0_1000_230_4810073_15026_014_014_087_17019_011_2061_0_5210011_050_100_720_910_20010_2045_075_067_058_022_0_420_55085_054_046_0_5110096_031_0_40063_0_60099_07_010_0_59120_88088_085_056_11080_0_580_770_4080_64040_0_74011_0_3160_660_170_24019_021_4078_032_60_650_93013_075_15020_048_0_97077_150_428047_0_28091_082_160_770_99200_590_390_43097_0

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