minh nhamdung la phai the nay : cho a,b la 2 so nguyen. biet tich cua chung la 204 khi do (-a).(-b) la ?
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cho hai so a va b la hai so nguyen. tich cua a va b la 204. khi do (-a).(-b)
cho hai so a,b biet tich cua a va b la 204 khi do (-a).(-b)
dien dung sai
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