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Test-Lidia
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<div align="center"> </div> <table style="background-color: #ffffc3; background-image: none; color: #000066; border-color: #003300; border-width: 4px; float: none; text-align: left; vertical-align: top; border-style: solid; width: 400px;" border="4" frame="void" rules="none" align="center"> <tbody> <tr align="center"> <td style="background-color: #003300; background-image: none; color: #ffcc00; text-align: center; vertical-align: top; border-style: none;" valign="top" width="NaNpx"><span style="font-size: large; color: #ffff99;"><span style="font-size: large; color: #ffff99;">Treure parèntesis</span></span></td> </tr> <tr> <td align="center" valign="top" width="NaNpx"> <p><span style="color: #003300; font-size: small;"><strong>5(2x-3) <span style="color: #ff0000;">-</span> 4(2x-7) = <span style="color: #ff0000;">–</span>8(3x-5) <span style="color: #0000ff;">+</span> 6(9x-1)</strong></span></p> <p><span style="color: #003300; font-size: small;"><strong>Primer faig les multiplicacions </strong></span></p> <p><span style="color: #003300; font-size: small;"><strong>SENSE TOCAR ELS SIGNES: </strong></span></p> <p><span style="color: #003300; font-size: small;"><strong>(10x -15) <span style="color: #ff0000;">–</span> (8x-28) = <span style="color: #ff0000;">–</span> (24x - 40) <span style="color: #0000ff;">+</span> (54x - 6)</strong></span></p> <p style="text-align: left;"><span style="color: #003300; font-size: small;"><strong>Després trec parèntesis, en funció del signe que els precedeix </strong></span></p> <ul> <li style="text-align: left;"><span style="color: #0000ff; font-size: small;"><strong>si és positiu, no canvio signes</strong></span></li> <li style="text-align: left;"><span style="color: #ff0000; font-size: small;"><strong>si és negatiu, canvio TOTS els signes</strong></span></li> </ul> <p><span style="color: #003300; font-size: small;"><strong>10x - 15 <span style="color: #ff0000;">–</span> 8x <span style="color: #ff0000;">+</span> 28 = <span style="color: #ff0000;">– </span>24x <span style="color: #ff0000;">+</span> 40 <span style="color: #0000ff;">+</span> 54x <span style="color: #0000ff; font-size: large;">- </span>6</strong></span></p> </td> </tr> </tbody> </table> <div style="text-align: center;"> <div align="center"> </div> <br /><br /><br /></div>
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Thursday, 23 August 2018, 11:08 AM
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