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1.已知直線l的傾斜角a=3π(zhòng)u002F4,求直線l的斜率k。2.已知直線l經(jīng)過兩點(diǎn)M;(1,-2),M?(2,3),求直線l的斜率k.圖已知直線l經(jīng)過兩點(diǎn)M(-2,3),M(1,-1),求直線l的斜率k。3.已知直線l經(jīng)過兩點(diǎn)M(-2,v3),M(1,4√3),求直線l的斜率k。4.已知直線l經(jīng)過兩點(diǎn)M(-2,v3),M(1,4√3),求直線l的斜率k和傾斜角a.求詳細(xì)的解題步驟
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