P=5x311+4x312/39x52-39x22
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MT
0
TN
11 tháng 1 2021
tội mấy bạn lướt điện thoại
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HG
11 tháng 1 2021
Người ta có ý tốt giúp bạn mà bạn đùa giỡn mua vui ? Còn bảo tội bạn này tội bạn nọ, dơ thế nhở ?
S
0
LT
1 tháng 3 2020
Trong mỗi lần cho con bú, người mẹ sẽ tiết ra khoảng 15ml sữa đầu và 60ml sữa cuối. Sữa đầu là lượng sữa được tạo ra lúc bắt đầu cho bé bú, có vị ngọt, sữa có màu trong và hàm lượng lactose cao nhưng ít béo.
Nguồn: hellobacsi.com
P = \(\frac{5.3^{11}+4.3^{12}}{3^9.5^2-3^9.2^2}\)
= \(\frac{\left(5+4.3\right).3^{11}}{3^9.\left(5^2-2^2\right)}\)
=\(\frac{17.3^{11}}{3^9.21}\)
= \(\frac{17.3^2}{7.3}\)
= \(\frac{17.3}{7}=\frac{51}{7}\)