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2. Verify that a+b+c)+(a+b)+(a -c) for e...

2. Verify that a+b+c)+(a+b)+(a -c) for each of the following values of a, ban (a) a = 12, b = - 4. c = 2 3. Fill in the blanks: (b) a=(-10), b=1,c=1 (a) 369 = 369 (c) (-206) =___= 1 e) -=-87 (b) (-75) =___=-1 (d) -87 + = 87 +48=-1 5. (g) 20 = = -2 (h) + (4)=-3

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Fill in he blanks : (a) 369 -: = 369 (b) (-75) -: =-1 (c) (-206) -: =1 (d) -87 -: =87 (e) [\_?] -: 1=-87 (f) [\_?] -: 48 =-1 (g) 20 -: =-2 (h) [\_?] -: ()=-3

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