估算填数练习题 (15)

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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:_39_803_10_7807_5096_0_99060_053_0_400_9118035_0_80160_67130_4590_3705_20_980_830_95190_49031_0_590_82088_0_870_8717028_601_0_45010_20_47029_6020_40_310_31054_051_0_75069_0_55110_550_63079_0_400_8603_0_420_5812076_15028_0_41097_082_0_9319021_40_4080_15094_1903_011

2、_0_160_500_102_0_30086_0_53110_49100_428024_5013_0_4390_820_950_64065_13050_07_050_100_82160_490_46045_073_0_590_980_92180_20032_0_2350_230_94052_100_39074_0_85170_86170_1430_210_21029_043_0_78160_69070_06_1010_0_580_7515076_0_13014_078_0_73150_810_81160_306062_072_0_72140_8317052_0_710_22401_0_360_

3、67096_0_740_460_910_900_81033_037_0_377034_0_44044_9013_30_6007_0_5711057_020_0_80043_041_0_980_330_240_890_48100_84084_170_74150_250_790_2550_930_91064_015_30_6032_0_940_76067_02_087_0_710_650_290_17090_0_9018018_40_730_5912095_0_480100_062_0_609_0_661305_0_350_270_8039_012_0_92018_0_66096_19044_04

4、2_0_83018_093_038_0_367064_13051_100_480_77063_130_7114034_7062_120_3160_58032_60_19016_0_36085_025_092_0_84046_90_47041_0_89180_61016_30_337010_060_120_920_2085_0_54064_072_0_88180_57068_070_140_1120_68140_68055_0_560_120_170_230_53042_035_70_970_97190_7916061_120_61026_5054_11017_30_52041_80_150_510_71063_026_034_038_011_0_240_650_800

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