P
peter_pan96


[toán7]Tìm X từ các tỉ lệ thức !!
[tex]\frac{x+1}{2x+1}=\frac{0,5x+2}{x+3}[/tex]
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:khi (141)::khi (147)::khi (14)::khi (142)::khi (174)::khi (152)::khi (173)::khi (45)::khi (109)::khi (98)::khi (183)::khi (87)::khi (172)::khi (161):
[tex]\frac{x+1}{2x+1}=\frac{0,5x+2}{x+3}[/tex]
____________________________________________________________
:khi (141)::khi (147)::khi (14)::khi (142)::khi (174)::khi (152)::khi (173)::khi (45)::khi (109)::khi (98)::khi (183)::khi (87)::khi (172)::khi (161):
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