File: /var/www/content-sp/wiris-cache/02a828e1706c7fd27b6878fce6ec82f9.png
�PNG
IHDR } � Υ�" pHYs � ��+ baSE \���A {IDATx��Mh]ELJJ� )��E�!H RD�b�("�tх����� ��
).\T���?A%\�RJ�?�R�Ep!*�Pj�+��N��Ȼw�μ�9� Hr�;7��ޙ37�J�� k��B{u\Ĺ/�'t �a�� �0�bE�$z9�ֱ̼��:>ŵ��t�b��1 ��P��i s��H+� ?�f�oz�K:F�1��ܞi*:gA�hYy|��Y o0��=����Q�ӎWu f�oF�_ulg��8M �(� ��y���`�R-�<k��w�W�v��~ �X�� �1�W4��0�/�����<:Ω� 6ۥ� ����`�����:���p��o�K:� ��Fƥ�K~Ó�W�k�"y��n���m_;�01s�3#ɜ�R�-� ����+ќ��S�1�m���:>��m�${�j��7o���� CW�*1���m8�c��gu��2����Ϸ��=0���
̽�c����7*�zWm;��nw��5f��{c万�����链m�-�M�߿Zu|E_/Y΅�t|k�����+f{R���F� �~/�c���W�}T�1�*G-�s�᤺�X�퍜���� W .������|n��G,_{���u���`��?A'��ͧ#篖 ��6@?���
����I���I�WɳT���'(�,S�s����A��s�=���ҍy�� ��A �e�?�C d,Mʭai"X��&���0�X��&���?7(7MB6�`i�#4��/-^����}?[����q^�D YQ��IL�T��EõY�>̹y�v�9~��<�?pV�ai�AW�ҕ��jnX
�&�*���mܩ2p�`ib[@�}�6p;hN�ʩ�X��ж�5���|�
?4j�4 �k_k�
�)�Q�^9�b�fi���6�}�y6p !K��pk�4٨��o�W�q�jಹ�^��I[�] .�ޤTK����Xp�}%]'�\֔hi����MU��&1�w��&�[��6rb�MJ�4 ]���7)��$��&�[� J�4��3��!�X� y��;�nD ��F�a�nD �Hmv#�Z��$w���}�� ���EZ���4��~߲�X ��̪��FL�~i�^�HJJ�٦�e�Y�b-@RR���� l IIiv#�����{�6pM�� IIMv#�
��-@RR���> �y4pA ���q
v#����N�N���F�5ڍ� �߃�ٍ U=v#��Z�F�#�ۍ $ۍ�v#�݈P���n$C`7 �
�Gʖ!%��I)%N d��TaR�Đ-7yH � 1Ĕ�$T�llW�K-zL)qJBd�[iؿZb�cJ�S*[~Sǭ�)C��ı����#}�W�Rb8d��}�8�ı�-ot`��B��8�1����-U�{ƜRb���S�\��>,)�ϣ�}������!�������}Rb��C� ��Rb�� �eU)�o#�2)��!K6Ȗ��YJ �2� Rb�@J,�� �O=���TY x�0&U�� ���g@l��щ��
��L�)U�B���
��pĖ* U�jRȇ3_�����hh�i��ˇSS����
}8ܐI�T�!U���*�|��� ���˵}f�*�pJr�*��ұw5p(zd��c��ǂ�w<�X(x�@�z,<�X(x�@ U��B�TY �� �yRĐ'��A�O�^V��$�Q�á- y�7: T���o��Wp(�W�d
���t"��' б��v �G��p8�9�IWѶ�:^��`%�y�yo����T|�\�6��*w pɓL�wK�tr���V
�)O2J���Wih߁�
ȓy��� �$a@�$ȓy�@ O*��i�I_� [tEXtMathML <math xmlns="http://www.w3.org/1998/Math/MathML"><msqrt><mn>7</mn><msqrt><mn>7</mn><msqrt><mn>7</mn></msqrt></msqrt></msqrt><mspace linebreak="newline"/><mo>=</mo><mi mathvariant="normal"> </mi><msqrt><mn>7</mn><msqrt><mn>7</mn><mo>×</mo><msup><mn>7</mn><mrow><mn>1</mn><mo>/</mo><mn>2</mn></mrow></msup></msqrt></msqrt><mspace linebreak="newline"/><mo>=</mo><msqrt><mn>7</mn><msqrt><msup><mn>7</mn><mrow><mn>3</mn><mo>/</mo><mn>2</mn></mrow></msup></msqrt></msqrt><mspace linebreak="newline"/><mo>=</mo><msqrt><mn>7</mn><mo>×</mo><msup><mn>7</mn><mrow><mn>3</mn><mo>/</mo><mn>4</mn></mrow></msup></msqrt><mspace linebreak="newline"/><mo>=</mo><msqrt><msup><mn>7</mn><mrow><mn>7</mn><mo>/</mo><mn>4</mn></mrow></msup></msqrt><mspace linebreak="newline"/><mo>=</mo><msup><mn>7</mn><mrow><mn>7</mn><mo>/</mo><mn>8</mn></mrow></msup></math>Jki� IEND�B`�