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...: ?→A: ?→B: ?→C: ?→D:180& divide ;π→X: A=0 => CD => 2D& divide ;C&rarr...

1) (a) Slope of OA = (12 ‒ 0) / (16 ‒ 0) = 3/4 Slope of AB = (12 ‒ 4) / (16 ‒ 22) = ‒4/3 Product of slopes = (3/4) × (‒4/3) = ‒1 Hence, OA ⊥ AB (b) Draw AH ⊥ x-axis and BK ⊥ x-axis, where H and...

...; B+7.5 再除以5 ⇒ (B+7.5) & divide ; 5 結果是2 ⇒ (B+7.5) & divide ; 5 = 2...3.6 兩邊除四分之三： M × (3/4) & divide ; (3/4) = 3.6 & divide ; (3/4) M = 3.6 ×...

... using (12C3*9C3*6C3*3C3), so we divide it by 4!, similar to that when dividing 3!, but 5C3 is specific...

(1) 8y - 34 = 2y - 10 8y - 2y = 34 - 10 6y = 24 y = 24 & divide ; 6 y = 4 (2) y + 2 = 3(4-y) y + 2 = 3×4 - 3y y + 2 = 12 - 3y y + 3y = 12 - 2 4y = 10 y = 10 & divide ; 4 y = 2.5

歌名《 Dividing by Nine》 演唱 The Kiboomers 你睇下喺唔喺呢首

...=4NaOH+(1/2)O2 O2摩爾數:3.5×(1/2& divide ;2)=0.875mol O2體積=0.875mol×24.0dm^3 mol^-1=21dm^3 3...

...politician) 簡單一些, 多數的人會明白, 大概的意思, 算是口號, D字開頭 Divided we lose; United we win, 改自一個 phrase: "United we stand, divided ...