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2 tháng 12 2018

có j đâu mà giúp

Mọi người ơi làm nhanh giúp mk những câu này...
Đọc tiếp

Mọi người ơi làm nhanh giúp mk những câu này nhé:

https://hoc24.vn/hoi-dap/question/667599.html

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4
1 tháng 10 2018

mấy câu như này bạn sợt mạng là có hết :>

27 tháng 12 2021

giúp gì bn mình giúp được thì mình giúp

10 tháng 2 2017

Ta có:\(\frac{6}{7}=\frac{18}{21};\frac{9}{11}=\frac{18}{22};\frac{2}{3}=\frac{18}{27}\)

Ta vẽ sơ đồ:

Số thứ nhất:21 phần bằng nhau

Số thứ hai:22 phần bằng nhau

Số thứ ba:27 phần bằng nhau

và tổng là 210

Tổng số phần bằng nhau là:

21+22+27=70(phần)

Số thứ nhất hay số bé nhất là:

210:70x21=63

Đ/S:63

10 tháng 2 2017

Số bé nhất là 63 nha!

30 tháng 3 2020

ý bạn là sao