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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    
(  ) - 19 = 4766 + (  ) = 8875 + (  ) = 97(  ) - 38 = 55
98 - (  ) = 25 (  ) - 16 = 2364 + (  ) = 6616 + (  ) = 71
(  ) - 80 = 1413 + (  ) = 7854 - (  ) = 2081 - (  ) = 66
(  ) - 49 = 3554 + (  ) = 8290 + (  ) = 92 (  ) - 20 = 21
90 - (  ) = 64 (  ) - 61 = 1243 + (  ) = 8986 - (  ) = 34
(  ) - 33 = 27(  ) - 48 = 42(  ) - 29 = 6486 - (  ) = 67
(  ) - 17 = 4098 - (  ) = 5214 + (  ) = 2232 - (  ) = 18
15 - (  ) = 11 (  ) - 42 = 4765 - (  ) = 32(  ) - 15 = 16
(  ) - 53 = 2831 - (  ) = 1856 + (  ) = 82 (  ) - 20 = 12
31 + (  ) = 39(  ) - 48 = 2865 + (  ) = 8999 - (  ) = 22
57 - (  ) = 1022 + (  ) = 64 (  ) - 17 = 5162 + (  ) = 78
(  ) - 12 = 22(  ) - 79 = 14 (  ) - 15 = 5234 + (  ) = 42
99 - (  ) = 3094 - (  ) = 73