1、小学数学计算练习 四年级下学期估算练习2023/02/10班级： 姓名： 情况：_265400191_42000156_300254_600_82200252_08_300_240200_57200112_200_45200100_100_33100_2710082_10076_100_2100122_0_55100_49100104_100_37100_3110086_100_14028100_13426100189_24200183_22300177_20500171_18800165_17200_9815600275_58900269_56000263_53100257_50400251
2、_47700245_45100239_42500233_68500_2881440043_30037_30031_30025_30019_300_251300129_200_271500_56200111_200_4410099_10093_100_26100203_300_136300_130300_8200_2200295_100_228100_45100_383800_32300087_230081_160075_110069_600_2100_11821100173_19400_10617700_10016100_9414600149_13100_8211700_19827100_19
3、248600_18645900_179400_173400_167400222_400216_400_27130027_30021_300_253300_247300_241200296_500_229500_46200101_100_24340089_100_170_729600_668400_607300_546200109_5200_424300_363500_292600_145400_139300194_300188_300_121300176_300_109300_12232000_24620002_500294_68500288_500_4430081_100_1410069_1
4、00_2100161_200_112300167_300161_300155_200_88200136_200272_0_2667400_8312000138_10600_719400126_8200120_7100114_6000108_5100_414200_15734200_15132000206_29900_138300193_300_236600271_600_17540053_30047_300_27930035_30029_300_26130017_30011_100127_200_60200115_200_4820085_100_910049_14100_62200191_30
5、0_11200_5200298_100292_100_225100_219100274_20091_100_17100_11800_530060_17900_29215800_10918500_10316900158_15300_14021300_27926200_2441500299_71200293_68000287_64900281_61500274_500268_500262_500_18100_1210067_10061_40055_30049_300_92200_86200_80200_74200123_200_70_239100_233100_227100_221100276_10093_100_26100
