\(-3x>-17\Leftrightarrow x< \dfrac{17}{3}=5,67\)
Add assumption : x > 4
We have : \(4< x< 5,67\) ==> x = 5
CONCLUSION: x = 5
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Đọc tiếp
Exer 1: Find digit a such that n = \(\overline{aaaaa24}\) divisibles by 8 and 9.
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Đọc tiếp
Exer 1: There is a division with the quotient is 6 and the remainder is 3. The sum of dividend, divisor and remainder are 195. Find the dividend are divisor.
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BÀI TẬP
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Đọc tiếp
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