My father stopped after he finished writing the report.
A:smoke
B:to smoke
C:smoked
如图所示,是用七巧板拼成的正方形,下列判断正确的有( )
①BG⊥OH; ②LH∥AB; ③OL∥CH; ④HE⊥AO;
⑤LF∥CH; ⑥OG∥EH.
分式 2x-4x+3 的值为0,则x的值为____.