Emilio Martín Emilio Martin Mira qué fácil es el cálculo mental 6 600 0 <table width="100%" border="1" align="center" cellpadding="2" cellspacing="2"> <tbody> <tr> <td><span style="font-family: arial; font-size: large; color: #000000;">4 - 1 = 31</span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">5 - 2 = 31</span> </td> <td><span style="font-family: arial; font-size: large; color: #000000;">6 - 3 = 31 </span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">7 - 5 = 21 </span></td> </tr> <tr> <td height="20" colspan="4"></td> </tr> <tr> <td><span style="font-family: arial; font-size: large; color: #000000;">40 - 10 = 301 </span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">50 - 20 = 301 </span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">60 - 30 = 301 </span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">70 - 50 = 201</span></td> </tr> <tr> <td height="20" colspan="4"></td> </tr> <tr> <td><span style="font-family: arial; font-size: large; color: #000000;">400 - 100 = 3001 </span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">500 - 200 = 3001 </span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">600 - 300 = 3001 </span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">700 - 500 = 2001</span></td> </tr> <tr> <td height="20" colspan="4"></td> </tr> <tr> <td><span style="font-family: arial; font-size: large; color: #000000;">4.000 - 1.000 = 3.000130001 </span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">5.000 - 2.000 = 3.000130001 </span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">6.000 - 3.000 = 3.000130001 </span></td> <td><span style="font-family: arial; font-size: large; color: #000000;">7.000 - 5.000 = 2.000120001</span></td> </tr> </tbody></table> ¡Perfecto! Buen trabajo<img src="../imagenes/smiley_informatico.gif" alt="smiley_informatico.gif" title="smiley_informatico" width="110" height="110"></img> Algunas respuestas están incorrectas. Inténtalo de nuevo.<img src="../imagenes/smiley_no.gif" alt="smiley_no.gif" title="smiley_no" width="90" height="90"></img> La siguiente letra se ha añadido 0 0 0 0 3 5_sumayresta01.html 0 0 0 0 Tu tiempo se ha terminado! Comprobar OK Pista [?] 0 0 Tu puntuación es: <img src="BlurMetalLj6.gif" alt="BlurMetalLj6.gif" title="BlurMetalLj6" width="33" height="33"></img> <img src="BlurMetalLi6.gif" alt="BlurMetalLi6.gif" title="BlurMetalLi6" width="33" height="33"></img> Index 1 1 1 ../indice.html ../indice.html Geneva,Arial small #80ff80 #000000 #ffffff #000000 #0000cc #0000ff #ffff80 http://calasanz.cult.gva.es/7_ejercicios/pot_file/potfile.php ejercicios@carminandres.com Déjanos saber cómo te llamas y de dónde eres. Gracias y que disfrutes