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標題:
F1 - F2..maths(ENG)
發問:
1. Find a function such that when the input X is -3, the output y is 1/2.2.Find two possible 3-digit denary number such that each of them can be converted into a 8-digit binary number and m 2-digit hexadecima l number.3.Find 2 possible binary numbers which are divisible by both 6 and 8 when they... 顯示更多 1. Find a function such that when the input X is -3, the output y is 1/2. 2.Find two possible 3-digit denary number such that each of them can be converted into a 8-digit binary number and m 2-digit hexadecima l number. 3.Find 2 possible binary numbers which are divisible by both 6 and 8 when they are converted into denary number. 4.Write down a polynomial of 4 terms with degree of 5. 5.Find the values of a and bsuch that in the expansion of (x+a)(x+b), the coefficient of the x term is a positive number and the constant term is a negative number.
最佳解答:
1. y = x + 7/2 2. The number must be between 100 and 999 The number must also be between 11111111 (2) = 255 and 10000000 (2) = 128 the number should also be between FF (16) = 255 and 16 Therefore the number should be between 128 and 255 Therefore any 3 numbers between 128 and 255 will be the answer. 3. Find a common multiple of 6 and 8, such as 24 and 48. Convert them into binary numbers (which in this case is 11000 and 110000) 4. x^5 + x^4 + x^3 + x^2 5. (x + a)(x + b) = x^2 + (a + b)x + ab According to the question, a + b > 0 and ab < 0 Possible solution: a = 2, b = -1 Hope this helps!
其他解答:
F1 - F2..maths(ENG)
發問:
1. Find a function such that when the input X is -3, the output y is 1/2.2.Find two possible 3-digit denary number such that each of them can be converted into a 8-digit binary number and m 2-digit hexadecima l number.3.Find 2 possible binary numbers which are divisible by both 6 and 8 when they... 顯示更多 1. Find a function such that when the input X is -3, the output y is 1/2. 2.Find two possible 3-digit denary number such that each of them can be converted into a 8-digit binary number and m 2-digit hexadecima l number. 3.Find 2 possible binary numbers which are divisible by both 6 and 8 when they are converted into denary number. 4.Write down a polynomial of 4 terms with degree of 5. 5.Find the values of a and bsuch that in the expansion of (x+a)(x+b), the coefficient of the x term is a positive number and the constant term is a negative number.
最佳解答:
1. y = x + 7/2 2. The number must be between 100 and 999 The number must also be between 11111111 (2) = 255 and 10000000 (2) = 128 the number should also be between FF (16) = 255 and 16 Therefore the number should be between 128 and 255 Therefore any 3 numbers between 128 and 255 will be the answer. 3. Find a common multiple of 6 and 8, such as 24 and 48. Convert them into binary numbers (which in this case is 11000 and 110000) 4. x^5 + x^4 + x^3 + x^2 5. (x + a)(x + b) = x^2 + (a + b)x + ab According to the question, a + b > 0 and ab < 0 Possible solution: a = 2, b = -1 Hope this helps!
其他解答:
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