Tìm x
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mso-ascii-font-family:"Cambria Math";mso-hansi-font-family:"Cambria Math";
mso-ansi-language:VI'> 36.0pt;font-family:"Cambria Math","serif";mso-ascii-font-family:"Cambria Math";
mso-hansi-font-family:"Cambria Math";mso-ansi-language:VI'> 36.0pt;font-family:"Cambria Math","serif";mso-ascii-font-family:"Cambria Math";
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VI'>x normal'>y line-height:115%;font-family:"Cambria Math","serif";mso-ansi-language:
VI'>=60 36.0pt;font-family:"Cambria Math","serif";mso-ascii-font-family:"Cambria Math";
mso-hansi-font-family:"Cambria Math";mso-ansi-language:VI;font-style: italic;mso-bidi-font-style:normal'> line-height:115%;font-family:"Cambria Math","serif";mso-ansi-language:
VI'>x normal'>y line-height:115%;font-family:"Cambria Math","serif";mso-ansi-language:
VI'>+10= mso-ansi-font-size:36.0pt;mso-bidi-font-size:36.0pt;font-family:"Cambria Math","serif";
mso-ascii-font-family:"Cambria Math";mso-hansi-font-family:"Cambria Math"; mso-ansi-language:VI;font-style:italic;mso-bidi-font-style:normal'> line-height:115%;font-family:"Cambria Math","serif";mso-ansi-language:
VI'>x+30 line-height:115%;font-family:"Cambria Math","serif";mso-ansi-language:
VI'>y-1<!--[endif]--><!--[if gte vml 1]--> coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe"
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height:182.25pt'>
o:title="" chromakey="white"/>
<!--[endif]-->----- Nội dung dịch tự động từ ảnh -----
X
X
y
= 60
+ 10 =
x + 30
у-1