估算填数练习题 (46)

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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:_160_920_310_330_240_98025_0_190_400_750_420_87078_0_90_38023_077_0_52035_0_89180_1030_0_17055_071_067_0_370_930_18064_019_4087_0_10073_15044_056_083_17059_0_29607_10_420_16043_0_1805_10_79042_806_40_5210047_90_7508_6013_3081_0_960_5010032_60_69060_0_74150_74063_0

2、42_0_880_20_88070_036_0_310_2450_320_240_6014_0_610_97190_3470_80160_10_71140_950_71045_90_81160_92095_0_87170_235060_120_10_51100_300_255044_90_90064_13048_0_20_75028_0_520_8517067_130_96065_130_65012_04_010_0_35074_0_92025_0_57110_58120_4910011_017_30_440_9218069_0_850_72140_377094_19045_022_40_39

3、80_39014_021_088_180_61120_357081_0_54068_0_610_860_270_82082_16089_0_7019_055_034_0_58046_094_016_3056_0_76076_150_214031_60_59120_68140_910_330_1020_47012_2085_0_390_77077_150_78160_91013_02_0_490_143051_011_2080_0_72054_110_110_31031_066_028_097_0_84170_2650_630_49017_053_0_620_82094_054_075_1509

4、8_20060_0_360_367066_13040_80_650_184062_120_32023_073_0_790_890_56110_99099_20090_18027_5026_0_67072_0_34029_0_290_200_800_5511020_40_4810027_020_076_050_0_59040_0_22090_079_16041_0_860_970_7014026_0_620_980_286086_17050_022_0_150_53110_990_3370_840_100041_0_830_388057_063_130_3060_700_73078_0_418066_048_0_9519046_015_30_69140_370_64046_9098_0_93190

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