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Có mấy số 9 trong...
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Có mấy số 9 trong đây?

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14
1 tháng 8 2016

Huhu! Mk là póe cận chắc thành loạn thị lun!

1 tháng 8 2016

Có 1 chữ số 9 trong dãy số đó. 

3 tháng 12 2018

Đáp án C

Các phản ứng sai: (1); (2); (4)

20 tháng 5 2017

Đáp án C

Các phản ứng sai: (1); (2); (4)

1 tháng 2 2019

có 2 chữ số 6

9999999999999999999999999996999999999999999999999999999996999999999999999999

tk mk nha

1 tháng 2 2019

2 số nha !

(>.<)

5 tháng 9 2017

a. Cột ứng với "thứ 5" cao nhất vậy: Thứ 5 có mưa nhiều nhất

b. Thứ 6 có mưa trong 2 giờ

c. Ngày không có mưa là thứ 4

9 tháng 4 2019

a. Cột ứng với "thứ 5" cao nhất vậy: Thứ 5 có mưa nhiều nhất

b. Thứ 6 có mưa trong 2 giờ

c. Ngày không có mưa là thứ 4

5 tháng 1 2022

Số 10 cần 2 nét nhé

5 tháng 1 2022

Số 10 chứ số nào siêu dễ luôn ý

14 tháng 9 2019

Đáp án B

P : 0,4AaBb : 0,2Aabb : 0,2aaBb : 0,2aabb – Quần thể ngẫu phối.

Giao tử : AB = 0,1;Ab = 0,2; aB = 0,2; ab = 0,5

F1 : số cá thể mang một trong 2 tính trạng trội (A-bb, aaB-) chiếm :

 0,22 + 2×0,2×0,5 + 0,22 + 2×0,2×0,5 = 12/25 = 48%→ (I) sai

F1 có 9 loại kiểu gen : (AA,Aa,aa) × (BB,Bb,bb) → (II) đúng

Số cá thể mang 2 tính trạng lặn chiếm : 0,52 = 0,25

Số cá thể mang 2 tính trạng trội (A-B-) chiếm : 1 – 0,48 – 0,25 = 0,27 = 27%→ (III) đúng

Số cá thể dị hợp 2 cặp gen chiếm: 0,1×0,5×2 + 0,2×0,2×2 = 0,18 = 18%→ (IV) sai