智力測驗.求解.A.B.C三人參加籃球比賽,A比B少得6分,C比B得分多一倍,且又比A多得22分,則請問三人合計共得幾分?(A)19(B - 籃球
By Necoo
at 2019-07-26T13:40
at 2019-07-26T13:40
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By Andrew
at 2019-07-28T00:11
at 2019-07-28T00:11
B得X+6分
C得2X+12分
2X+12=X+22
X=10
三人合計共得X+X+6+2X+12=4X+18=58
(D)58
By Rebecca
at 2019-07-28T21:00
at 2019-07-28T21:00
2x = (x - 6) + 22
x = 16
(16- 6) + 16 + 2 · 16 = 58
(D) #
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