標題:
[急][10分]中一的數學
發問:
1. The sum of three consecutive odd numbers is 57, find the three numbers. 2. The sum of 6 and the product of 6 and a number is equal to the square of 6. Find the number. 要有步驟 可以的話我想要埋解題 please~好急ar
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最佳解答:
1. Let the smallest number be a. a+a+2+a+4=57 3a+6=57 3a=57-6 a=17 The three number is 17,19,21. 2. Let the number be a. 6+6a =6^2 6+6a =36 6a =30 a=5 The number is 5.
其他解答:
1. The sum of three consecutive odd numbers is 57, find the three numbers. 2. The sum of 6 and the product of 6 and a number is equal to the square of 6. Find the number. 1. let the smallest number be y, the other numbers are y+2, y+4 y + y + 2 + y + 4 = 57 y = 17 2. let the number be m 6+6m =6^2 m =5
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