[問題] 一題數學
If a + b = 3 and a2 + b2 = 7, then what is the value of a4 + b4?
有人知道嗎...謝謝
算出來13
不知道是否正確
個人覺得題目怪怪的...
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◆ From: 116.15.93.162
※ 編輯: Rivera01 來自: 116.15.93.162 (09/21 23:54)
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09/21 23:57, , 1F
09/21 23:57, 1F
→
09/21 23:59, , 2F
09/21 23:59, 2F
推
09/22 00:10, , 3F
09/22 00:10, 3F
→
09/22 00:15, , 4F
09/22 00:15, 4F
→
09/22 00:15, , 5F
09/22 00:15, 5F
推
09/22 00:16, , 6F
09/22 00:16, 6F
→
09/22 00:17, , 7F
09/22 00:17, 7F
推
09/22 00:18, , 8F
09/22 00:18, 8F
→
09/22 00:18, , 9F
09/22 00:18, 9F
→
09/22 00:19, , 10F
09/22 00:19, 10F
推
09/22 00:22, , 11F
09/22 00:22, 11F
→
09/22 00:24, , 12F
09/22 00:24, 12F
→
09/22 00:25, , 13F
09/22 00:25, 13F
推
09/22 00:27, , 14F
09/22 00:27, 14F
→
09/22 00:27, , 15F
09/22 00:27, 15F
→
09/22 00:35, , 16F
09/22 00:35, 16F
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09/22 01:39, , 17F
09/22 01:39, 17F
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09/26 11:12, , 18F
09/26 11:12, 18F
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