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設c為x 然後解方程組就行了 這是我們初一學的,我都有點忘了 所以解方程就不寫了 解出來c=3,a=1,b=2 a的平方+b的平方=1+4=5≠c的平方 所以不能構成直角三角形 如果有幫到您就請採納我的答案 要知道打字也是不容易的
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