估算填数练习题 (56)

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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:_980_980_980_890_91058_0_3105_20_92024_0_75039_0_75150_5311023_0_44090_081_160_100_1067_130_860_290_4280_53042_0_68088_071_02_0_420_49100_95190_410_2086_047_047_9038_80_79033_047_01_061_043_90_44906_40_310_540_5411073_150_73059_0_51050_10078_16060_0_459027_50_5204

2、6_9068_140_36074_0_220_18085_075_0_15090_0_820_570_860_6413055_065_052_10021_072_0_100080_16099_028_0_30096_058_120_120_21012_20_310_60_57110_57076_03_045_0_640_5511026_0_87170_690_9619058_060_120_34025_037_7010_011_011_20_398068_072_140_89059_034_0_153051_100_88180_16049_020_062_12091_0_65130_560_8

3、70_20_19020_4076_0_930_7615023_50_14027_082_16097_0_240_17067_018_0_35037_040_0_500_1730_93022_40_20026_0_420_120_61046_06_097_19048_066_130_550_70_290_92094_013_0_1630_53017_0_56110_39091_180_19080_0_9920083_0_460_740_710_3570_35033_70_70_770_96038_0_81097_075_086_17023_018_4067_092_18040_030_6051_

4、038_0_2550_326070_140_49041_063_070_026_5063_130_194013_0_4080_418064_069_14063_0_440_245087_034_70_78048_0_22021_4082_0_36070_0_770_9419077_15051_013_30_61120_54088_0_3160_3670_90180_140_30092_059_12074_150_32027_0_15084_0_8417066_0_32079_160_31028_60_610_9052_0_69083_0_33043_0_9820029_60_560_370_1020_620_84081_0_820_720_730_93190_79094_0_660

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