帮我拍一下书本108页13题得图片 (九年义务教育七年级数学书本) 我没有带数学书回去
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{3\u5206\u4e4bx+4\u5206\u4e4by\uff1d60\u5206\u4e4b54
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108,8 \u8bbe\u6253\u6298\u524d\u4e00\u4ef6a\u5546\u54c1x\u5143\uff0c\u4e00\u4ef6b\u5546\u54c1y\u539f
{60x+30y\uff1d1080 \uff081\uff09
50x+10y\uff0d840 \uff082\uff09
1\u53d8\u5f62 2x+y\uff1d36 \uff083)
2\u53d8\u5f62 5x+y\uff1d84 \uff084\uff09
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x\uff1d16
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2X16+y\uff1d36
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108 9 \u8bbe\u4e00\u53ea\u7259\u5237x\u5143\uff0c\u4e00\u76d2\u7259\u818fy\u5143
{39x+21y\uff1d396\uff081\uff09
52x+28y\uff1d518\uff082\uff09
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(2) \u53d8\u5f62 13x+7y\uff1d129.5
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1.\u8bbe\u6700\u5f00\u59cb\u8f66\u901f\u4e3aX\u3002
5X+5\uff0820+X\uff09+5\uff0820+X-10\uff09=1262
X\u224874
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5\u00d774+3\u00d794=622
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绛旓細鍥炵瓟锛氭櫄涓婁綘瑕佷箞?
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