2.( 1) Southeast 45 15
(2) Northwest 45
3.( 1) Northeast 30 500
(2) Northwest China 30 600
(3) Southeast 20 700
(4) Southwest 60 300
Second, 1, (1) is omitted.
(2)(600 + 680) ? 2 = 2560 meters
(3)600+680+1200 = 2480 (m)
2.( 1) Northeast 45? 420
(2) Northwest 30? 630
(3) Northeast 70? 350
(4) Northwest 60? 360
(5) East 300
(6) 2060 m can't be reached.
3. Li Zhuang is 50 northeast of Zhangzhuang? Distance from Zhangzhuang 1000m direction;
Zhangzhuang is 40 southwest of Lizhuang. Direction distance is lizhuang1000 m.
Third, ellipsis
Intelligent gas station
Draw a sketch