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2022-10-30 16:56:35
số tuổi của anh và em hiện nay là:
25 - 5 x 2 = 15 (tuổi)
tuổi em là:
(15-5) : 2 = 5 (tuổi)
tuổi anh là:
15-5=10 (tuổi)
đáp số:em 5 tuổi.
anh 10 tuổi.