兩個整數的加法運算問題，小明誤把加法看成減法，結果答案為19；小虎則算出正確答案為45。已知兩個整數皆為兩位數，請問兩個整數分別為多少？
回答 (1)
2021-03-27 7:00 pm
兩數 A, B.
A - B = 19
A + B = 45
A = (45+19) ÷ 2 = 32
B = (45-19) ÷ 2 = 13
A - B = 19
A + B = 45
A = (45+19) ÷ 2 = 32
B = (45-19) ÷ 2 = 13
收錄日期: 2021-04-24 08:45:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20210327095739AAZs0kY