小学数学第三册第一二单元练习卷一、 口算(8 分)67 - 24 = 65 - 16 = 77 - 34 = 96 - 61 =75 - 25 = 5 4- 14 = 67 - 56 = 56 - 9 =42 + 9= 43 + 3 = 48 + 4 = 25 + 3 =33 + 4= 23 + 9 = 18 + 12 = 9 + 26 = 25 + 8 = 24 + 7 = 24 + 6 = 38 + 7 =32 - 20 = 53 - 20 = 46 - 20 = 4...
时间:2025-07-07 13:41栏目:行业资料