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Test percent and A–F letter grade from correct answers and total questions.
按答对数算百分比与等级。
Test percent and A–F letter grade from correct answers and total questions.
90+ A, 80+ B, 70+ C, 60+ D, below F — the common US scale.
Count only fully correct answers; adjust totals for weighted sections.
Usually 60–70% depending on the institution.