解不等式：
直接输入一元不等式（即只包含一个变量的不等式），然后设置三角函数的角单位（弧度或者角度），点击“下一步”按钮，即可获得该不等式的解集。
它支持数学函数（包括三角函数）。
直接输入一元不等式（即只包含一个变量的不等式），然后设置三角函数的角单位（弧度或者角度），点击“下一步”按钮，即可获得该不等式的解集。
它支持数学函数（包括三角函数）。
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(449.093-x)*(667.79-600)-(x-427.293)*(1146.4-667.79)>=0.013*(1146.4-667.79)*(667.79-600)
(449.093-x)*(862-600)-(x-427.293)*(1146.4-862)>=0.0402*(1146.4-862)*(862-600)
(449.093-x)*(1085.6-600)-(x-427.293)*(1146.4-1085.6)>=0.02165*(1146.4-1085.6)*(1085.6-600)
(449.093-x)*(1085.6-667.79)-(x-429.093)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
(x-429.093)*(667.79-600)-(429.293-427.093)*(1085.6-667.79)>=0.013*(667.79-600)*(1085.6-667.79)
(x-429.293)*(667.79-600)-(429.293-427.293)*(1085.6-667.79)>=0.013*(667.79-600)*(1085.6-667.79)
(449.093-x)*(1085.6-667.79)-(x-429.293)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
(x-429.093)*(667.79-600)-(429.093-427.293)*(1085.6-667.79)>=0.013*(667.79-600)*(1085.6-667.79)
(449.093-x)*(1085.6-667.79)-(x-429.093)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
(x-428.093)*(667.79-600)-(428.093-427.293)*(1085.6-667.79)>=0.013*(667.79-600)*(1085.6-667.79)
(449.093-x)*(1085.6-667.79)-(x-428.093)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
80+log（0.8，x-16）<=68
(430-y)*(667.79-600)-(430-427.293)*(862-667.79)>=0.013*(667.79-600)*(862-667.79)
(449.093-x)*(862-667.79)-(x-430)*(1146.4-862)>=0.0402*(862-677.79)*(1146.4-862)
(449.093-x)*(1085.6-862)-(x-427)*(1146.4-1085.6)>=0.02165*(1146.4-1085.6)*(1085.6-862)
(449.093-x)*(1085.6-667.79)-(x-429.593)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
(449.093-x)*(1085.6-667.79)-(x-429.093)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
(449.093-x)*(862-667.79)-(x-429.093)*(1146.4-862)>=0.02165*(862-677.79)*(1146.4-862)
(449.093-x)*(862-667.79)-(x-428.5)*(1146.4-862)>=0.02165*(862-677.79)*(1146.4-862)
(449.093-x)*(862-667.79)-(x-428)*(1146.4-862)>=0.02165*(862-677.79)*(1146.4-862)
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(449.093-x)*(862-600)-(x-427.293)*(1146.4-862)>=0.0402*(1146.4-862)*(862-600)
(449.093-x)*(1085.6-600)-(x-427.293)*(1146.4-1085.6)>=0.02165*(1146.4-1085.6)*(1085.6-600)
(449.093-x)*(1085.6-667.79)-(x-429.093)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
(x-429.093)*(667.79-600)-(429.293-427.093)*(1085.6-667.79)>=0.013*(667.79-600)*(1085.6-667.79)
(x-429.293)*(667.79-600)-(429.293-427.293)*(1085.6-667.79)>=0.013*(667.79-600)*(1085.6-667.79)
(449.093-x)*(1085.6-667.79)-(x-429.293)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
(x-429.093)*(667.79-600)-(429.093-427.293)*(1085.6-667.79)>=0.013*(667.79-600)*(1085.6-667.79)
(449.093-x)*(1085.6-667.79)-(x-429.093)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
(x-428.093)*(667.79-600)-(428.093-427.293)*(1085.6-667.79)>=0.013*(667.79-600)*(1085.6-667.79)
(449.093-x)*(1085.6-667.79)-(x-428.093)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
80+log（0.8，x-16）<=68
(430-y)*(667.79-600)-(430-427.293)*(862-667.79)>=0.013*(667.79-600)*(862-667.79)
(449.093-x)*(862-667.79)-(x-430)*(1146.4-862)>=0.0402*(862-677.79)*(1146.4-862)
(449.093-x)*(1085.6-862)-(x-427)*(1146.4-1085.6)>=0.02165*(1146.4-1085.6)*(1085.6-862)
(449.093-x)*(1085.6-667.79)-(x-429.593)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
(449.093-x)*(1085.6-667.79)-(x-429.093)*(1146.4-1085.6)>=0.02165*(1085.6-667.79)*(1146.4-1085.6)
(449.093-x)*(862-667.79)-(x-429.093)*(1146.4-862)>=0.02165*(862-677.79)*(1146.4-862)
(449.093-x)*(862-667.79)-(x-428.5)*(1146.4-862)>=0.02165*(862-677.79)*(1146.4-862)
(449.093-x)*(862-667.79)-(x-428)*(1146.4-862)>=0.02165*(862-677.79)*(1146.4-862)
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