<![CDATA[The purpose of this study was to determine the effectiveness of the model of Problem Based Learning (PBL) charged disposition of mathematics and mathematical communication skills in class X IPS program. Selection of a random sample run private and X IPS chosen as an experimental class 4 and class X IPS 3 as the control class. Results from this study is there a strong influence among the disposition mathematics and mathematical communication in improving problem-solving skills in students. On average problem-solving abilities higher than the experimental class problem-solving abilities in the control class.]]>
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