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標題:
發問:
4! x5b+55=b/3+5^2
最佳解答:
4! x5b+55 = b/3 + 5^2 5! b + 55 = b/3 + 5^2 5!x3 b + 165 = b + 3x 5^2 5!x3 b - b = 3x 5^2 -165 b(5!x3 - 1) = 3x 5^2 -165 b = (3x 5^2 -165) / (5!x3 - 1) b = (75 - 165) / (360 - 1) b = -90 / 359
其他解答:
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maths?發問:
4! x5b+55=b/3+5^2
最佳解答:
4! x5b+55 = b/3 + 5^2 5! b + 55 = b/3 + 5^2 5!x3 b + 165 = b + 3x 5^2 5!x3 b - b = 3x 5^2 -165 b(5!x3 - 1) = 3x 5^2 -165 b = (3x 5^2 -165) / (5!x3 - 1) b = (75 - 165) / (360 - 1) b = -90 / 359
其他解答:
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