Question

90°-50°
90°+50°
90°*50°
90°÷50°​

Answer 1

40 grade
140 de grade
4500 grade
1,8 grade

Answer 2

1 grad =60 de minute si 1 minut =60 de secunde

90°-50° = 40°; ( 2400' ) - minute sau ( 144.000" ) - secunde

90°+50° = 160°; ( 9600' ) - minute sau ( 576,000" ) - secunde

90°*50° = 4500°;​ ( 270.000' ) - minute sau ( 16,200,000" ) - secunde

90°÷50°​ = 1,8°​;  ( 108' ) - minute sau ( 6480" ) - secunde

bafta :D