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RULES (Quy tắc)
We use should / shouldn’t to give advice.
(Chúng ta sử dụng should / shouldn't để đưa ra lời khuyên.)
The he / she / it forms of should / shouldn’t are the same.
(Hình thức he / she / it của should / shouldn’t giống nhau.)
b, Lời chối từ của ông Lí một cách gián tiếp, khước từ sự van xin, mỉa mai thói đàn bà yếu đuối của bác
→ Chọn đáp án D
Đáp án A
Thí sinh thi được 26 điểm do đó có 6 phương án đúng và 4 phương án sai
Xác suất cần tìm sẽ là:
=> Chọn phương án A.
Chú ý: Công thức tổng quát cho bài toán n câu hỏi và a đáp án đúng sẽ là
CHỊUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU
Đáp án A
Thí sinh thi được 26 điểm do đó có 6 phương án đúng và 4 phương án sai
Xác suất cần tìm sẽ là:
P = C 10 6 1 4 6 3 4 4 = 0 . 016222
Chọn phương án A.
Chú ý: Công thức tổng quát cho bài toán n câu hỏi và a đáp án đúng sẽ là C n a 1 4 a 3 4 n - a
Ta có: R = ρ l S
Vì ta không biết tiết diện của hai dây dẫn này như thế nào, nên không đủ điều kiện để so sánh R1 với R2
Đáp án: D
Có dòng chữ màu đỏ thì e chịu nhưng dấu k chọn màu xanh lá cây là giáo viên trong OLM k nha.
HOK TỐT
Ta có ∠C = 180o - 80o - 30o = 70o
Vì A > C > B ⇒ BC > AB > AC. Chọn D
Ta có ∠C = 180o - 70o - 30o = 80o nên ∠C > ∠A > ∠B từ đó ta có AB > BC > AC. Chọn D
