class="bi x0 y0 w3 h2"
class="bi x0 y0 w5 h3"
class="bi x0 y0 w7 h5"

class="bi x0 y0 w7 h5"
class="bi x0 y0 w7 h5"
class="bi x0 y0 w5 h3"
class="bi x0 y0 w5 h3"
class="bi x0 y0 w5 h3"
class="bi x0 y0 w5 h3"

class="bi x0 y0 w9 h7"
class="bi x0 y0 w5 h3"
class="bi x0 y0 wa h8"

class="bi x0 y0 w7 h5"
class="bi x0 y0 wb h9"
class="bi x0 y0 w5 h3"
class="bi x0 y0 w5 h3"
class="bi x0 y0 w3 h2"
class="bi x0 y0 w7 h5"
class="bi x0 y0 w9 h7"
class="bi x0 y0 w5 h3"
class="bi x0 y0 w7 h5"

Trích đoạn GE' vă ETH theo cõch thụng thường Do đú, ta cú (2.2.59).

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