小学一年级奥数题:小学一年级口算题之一
03-16 13:37:44 | http:/www.youjiao51.com | 350次 | 奥数题库
小学一年级奥数题:小学一年级口算题之一
28 + 20 = 58 – 6 = 66 – 60 = 75 – 30 = 38 + 40 = 71 + 23 = 89 – 8 = 60 + 24 = 4 + 55 = 96 – 20 = 66 – 60 = 38 + 21 = 30 + 34 = 69 – 7 = 59 – 4 = 73 – 70 = 95 – 50 = 25 + 44 = 62 + 7 = 30 + 49 = 86 – 60 = 91 – 50 = 36 + 30 = 51 + 25 =
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