估算填数练习题 (14)

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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:_5209_80_470_370_800_6802_0_1035_70_35034_073_08_6093_190_1806_40_310_61061_12052_10060_120_60033_042_8031_0_88042_0_350_9519067_0_203_1047_9039_09_2014_30_920_2350_820_540_54110_459051_100_50050_100_3060_4901_092_180_91180_220_100_290_604_20_620_880_750_66043_044

2、_038_0_690_5912049_059_0_10049_10046_0_310_85170_20_110_270_5401_0_6212050_084_089_180_1530_70018_40_449044_0_61025_50_418026_098_065_13052_063_033_064_1305_057_0_70_32096_19043_076_062_0_29094_0_58063_13036_021_071_053_110_245056_083_1709_028_0_110_92026_5026_064_0_68066_048_0_23097_19079_16079_0_8

3、6086_17082_16057_056_0_90_112027_039_8021_0_80086_0_250_71140_6914020_020_0_3770_55110_8116081_0_670_19040_8040_0_67130_580_190_90180_88180_710_7032_0_3260_1330_224014_0_98200_337030_042_0_650_56110_90091_0_72140_69016_078_0_47095_0_760_2140_77075_084_17053_081_015_096_087_170_94190_286046_0_170_890

4、_600_650_55066_130_194023_0_85083_0_410_37072_029_6048_100_73025_0_39012_20_7415027_50_16048_043_90_24075_038_80_90041_0_840_7615055_0_710_89051_040_045_063_0_316079_046_9096_097_0_120_640_7816070_099_0_57110_70140_59085_0_1630_820_74097_095_0_870_17013_034_072_0_7515083_0100_0_520_120_94091_099_087_0_770_367045_0_1020_360_80160_220_130_3470

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