Give the answer of all these questions
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1.even number
2.-21
3.
4.x=6,3*6=18
5.61,67,71,73,79
6. 60/-5=-12
11.1,2,4,8
13.90°-37°=53°
14. equilateral triangle
15.120/240=1/2*10=10/20=1/2
17. (7-3/8)/1/16=4/8/1/16=1/2/1/16=1/2*16/2=16/4=4
18.9*11-7*5/11*9-5*7=-7/-5=1.4
20.5(3*5*2)=5(30)=150
2.-21
3.
4.x=6,3*6=18
5.61,67,71,73,79
6. 60/-5=-12
11.1,2,4,8
13.90°-37°=53°
14. equilateral triangle
15.120/240=1/2*10=10/20=1/2
17. (7-3/8)/1/16=4/8/1/16=1/2/1/16=1/2*16/2=16/4=4
18.9*11-7*5/11*9-5*7=-7/-5=1.4
20.5(3*5*2)=5(30)=150
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