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小学三年级数学口算天天练①
(1)611-31= (2)890-870= (3)516-191=
(4)808-38= (5)967-702= (6)316-210=
(7)483-465= (8)840-479= (9)914-775=
(10)933-137= (11)912-894= (12)838-688=
(13)27 + 46 = (14)810 - 125 = (15)92 + 65 =
(16)90 + 47 = (17)18 + 15 = (18)18 + 53 =
(19)29 + 32 = (20)398 - 148 = (21)256 + 775 =
(22)449 - 312 = (23)202 – 155 = (24)106 + 537 =
(25)916 + 861 = (26)713 - 288 = (27)954 - 286 =
(28)72 + 76 = (29)71 + 68 = (30)64 - 60 =
(31)716 - 117 = (32)766 + 792 = (33)79-39 =
(34)84-17= (35)175 + 157 = (36)38 + 69 =
(37)83 - 62 = (38)12 + 98 = (39)808 + 213 =
(40)704 - 124 = (41)607 + 914 = (42)645 - 239=
(43)648 - 585 = (44)352 + 708 = (45)970 + 602 =
(46)860 - 162 = (47)343 + 801 = (48)806 + 487 =
(49)691 + 400 = (50)56-14 =
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