File: /var/www/content-sp/wiris-cache/1023b0946ee3c4151d2f586c47189c02.png
�PNG
IHDR M 6 ��� pHYs � ��+ baSE JA[r IDATx��ODDQƯ�$#�$-"i�b6��$2Z$Z�2�Vi�V�I�H�b�MZ�H$iI�v�Zd6��g����sݙy�������}�
����;Ƅ*:LU�BH�!��9�fx~���rĵ�;�zW뼄���
p#��Pl]���y -�� �`�Mkk�� g}�&i���=Y1�p���������Hy^�b^4umI]�Gh)MG�5�[1�e�/��>�;#-i ~T�q��A;��D���H9_"=�|L� �=���1i���Q߯}ۧ2�#��)GF���T#��ҧ�[�����I�^Nne�z��`� �q��z��7]F%�B��s�_9x���'�/�?���h�v5/�]�Ŗ��$4B#4B�z !�Z/� ��~ڬ 7�m��=B+!���)��li�%{z=f�����i� ���Z<ɞ�|Oq ��!n�I�f ��z�S�]�͓[�gy��g$9��#4�d?S�*�NB�.;[WTU��7$r�(��(��(��j���^�j�{ �tEXtMathML <math xmlns="http://www.w3.org/1998/Math/MathML"><mfenced close="]" open="["><mrow><mfrac><mn>80</mn><mi>x</mi></mfrac><mo> </mo><mo>-</mo><mo> </mo><mn>1</mn></mrow></mfenced></math>^�'