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跟着消防员爸爸学习C++编程与算法(请备注算法学习)

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一年级数学计算题

含未知数运算练习(2026.6)

班级     学号     姓名    
12 + (  ) = 85(  ) - 18 = 2880 + (  ) = 8784 - (  ) = 33
61 - (  ) = 4989 - (  ) = 6149 + (  ) = 52(  ) - 23 = 28
38 - (  ) = 15(  ) - 47 = 2482 - (  ) = 6068 + (  ) = 90
(  ) - 71 = 2086 - (  ) = 48 (  ) - 30 = 45 (  ) - 43 = 12
(  ) - 27 = 6058 - (  ) = 5193 - (  ) = 72 (  ) - 10 = 21
67 + (  ) = 9149 + (  ) = 94 (  ) - 14 = 7430 + (  ) = 76
83 - (  ) = 45(  ) - 39 = 56(  ) - 38 = 1327 + (  ) = 59
98 - (  ) = 5138 - (  ) = 35 (  ) - 12 = 5377 - (  ) = 19
(  ) - 13 = 8154 + (  ) = 76(  ) - 38 = 4416 + (  ) = 87
13 + (  ) = 75(  ) - 64 = 26(  ) - 28 = 4862 - (  ) = 11
11 + (  ) = 29 (  ) - 30 = 4920 + (  ) = 28 (  ) - 40 = 41
51 + (  ) = 6989 - (  ) = 4349 + (  ) = 7291 - (  ) = 12
(  ) - 79 = 15(  ) - 74 = 17