发现了新的 Jmeter 板测试碎片：

#!watchflakes
default <- pkg == "crypto/x509" && test == "TestPlatformVerifierLegacy/wrong_host_for_leaf"

2024-05-06 21:03 go1.21-windows-amd64-longtest release-branch.go1.21@78d89b2b crypto/x509.TestPlatformVerifierLegacy/wrong_host_for_leaf ( log )

=== RUN   TestPlatformVerifierLegacy/wrong_host_for_leaf
    root_windows_test.go:102: tls connection failed: dial tcp 104.154.89.105:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.
--- FAIL: TestPlatformVerifierLegacy/wrong_host_for_leaf (21.35s)

2024-05-13 21:10 go1.22-windows-amd64-longtest release-branch.go1.22@d4a81ec7 crypto/x509.TestPlatformVerifierLegacy/wrong_host_for_leaf ( log )

=== RUN   TestPlatformVerifierLegacy/wrong_host_for_leaf
    root_windows_test.go:102: tls connection failed: dial tcp 104.154.89.105:443: connectex: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.
--- FAIL: TestPlatformVerifierLegacy/wrong_host_for_leaf (21.06s)

2024-05-13 21:10 go1.21-windows-amd64-longtest release-branch.go1.21@0fa334d4 crypto/x509.TestPlatformVerifierLegacy/wrong_host_for_leaf ( log )

=== RUN   TestPlatformVerifierLegacy/wrong_host_for_leaf
    root_windows_test.go:102: tls connection failed: tls: first record does not look like a TLS handshake
--- FAIL: TestPlatformVerifierLegacy/wrong_host_for_leaf (61.34s)

— watchflakes

解：根据题意，我们可以得到以下结论：

1. 第一行文字描述了一个关于$x^{2}-5x+6=0$的方程。

2. 第二行文字描述了一个关于$x^{2}+3x-4=0$的方程。

3. 第三行文字描述了一个关于$x^{2}-7x+12=0$的方程。