1.將電腦螢幕視為坐標平面,在路易造 戲中,彈藥補給車在轴上移動,三從室
}
单元6 综方程
3-4-15
/
+1 一
17-04-2
ドーろく
(69)
B
---
人- 2
(25)
(1,0)
A(2.3)的位置,需先到補给車補充彈築後,再
移動至堡壘B(6.9)的位置换防。試問:
(1)士兵但以最短的距整完成換防任務,之痛经
車所在位置的坐標。 4
(2)求該士兵移動的最短距整。
等
2

I was confused this handwriting

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation: