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Nguyễn Thị Bảo Trân
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phan quochuu
14 tháng 11 2015 lúc 12:02

cộng lại thôi 

  5+2+4 =11

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Nguyễn Thị Bảo Trân
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Kiều Thế Vinh
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Thắng  Hoàng
24 tháng 10 2017 lúc 21:16

so can tim la 57

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Cô gái lạnh lùng Quỳnh H...
29 tháng 6 2019 lúc 16:39

giải thích đi Thắng Hoàng

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Lê Phan Hải Quỳnh
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Edogawa Conan
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Thu Hương
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Thu Hương
16 tháng 2 2016 lúc 21:37

trả lời đầy đủ cả bài giải nhé
 

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Thu Hương
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Trần Quang Đài
17 tháng 2 2016 lúc 11:34

Từ đề bài ta có được các đẳng thức sau

x=24.r1+5

x=26.r2+5

r1-r2=2=>r1=r2+2

thay vào biểu thức đầu ta được

x=24.(r2+2)+5=24r2+48+5=24r2+53

=>2r2-48=0

r2=24

x=24.24+5=581

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Thu Hương
17 tháng 2 2016 lúc 12:19

bạn Trần Quang Đài nhớ lại xem mình có làm sai không nhé, nếu đung mình k cho

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Thu Hương
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Nguyễn Thị Quỳnh Linh
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Nguyễn Thị Quỳnh Linh
16 tháng 2 2016 lúc 22:41

Tui chỉ ấn 629 thui

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Nguyễn Thị Quỳnh Linh
2 tháng 3 2016 lúc 21:22

co le la vay 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