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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(2025.12)

班级     学号     姓名    
87 - (  ) = 8257 - (  ) = 14 (  ) - 37 = 4149 - (  ) = 11
49 - (  ) = 45(  ) - 68 = 15(  ) - 68 = 28 (  ) - 55 = 44
(  ) - 23 = 2563 + (  ) = 7156 + (  ) = 8375 - (  ) = 74
(  ) - 79 = 1120 + (  ) = 2847 + (  ) = 79(  ) - 69 = 27
(  ) - 29 = 7031 - (  ) = 1044 + (  ) = 79(  ) - 28 = 45
(  ) - 29 = 6980 + (  ) = 9555 - (  ) = 11(  ) - 56 = 25
65 + (  ) = 8822 + (  ) = 6193 - (  ) = 14 (  ) - 63 = 23
89 - (  ) = 44 (  ) - 20 = 2912 + (  ) = 87 (  ) - 22 = 17
94 - (  ) = 89 (  ) - 83 = 1613 + (  ) = 4159 - (  ) = 33
49 + (  ) = 8412 + (  ) = 3751 - (  ) = 1748 - (  ) = 44
(  ) - 49 = 2156 + (  ) = 57 (  ) - 42 = 2552 + (  ) = 68
(  ) - 13 = 2892 - (  ) = 6473 + (  ) = 87(  ) - 26 = 29
63 - (  ) = 54 (  ) - 34 = 12