M is the set of prime numbers 1 and 20, The digits of number 7593680 (Set , Not set ), difficult math problem (Set , not set ), Printing 225 pages in 5 minutes ( Unit rate ), a : 16 = 5 : 4 ( Value of a ), -7k - 2k - 9 + 4k ( Number of terms , Coefficients of the terms , Like terms , Constant terms ), 5 ( a - 2b ) - 2 ( a + b ) then find the numerical value at a = 3 , b = -1, X = { 3 , 4 , 5 , 6 } Y= { 2 , 4 , 6 , 8 } X U Y, 4 - ( -6 ) =......................, the additive inverse of number 0 is ..............., -2 - 4 =....................., { 1 , 2 , 3 } ( find the subset ), If 100 grams of chocolate provide 300 calories , how many are found in 30 grams, -I12I x I-4I, The capital of Egypt ( Set , Not set ), I16 x yI ( Y = -4 ), Iy x mI ( y = -4 , m = 12), 0 x (-15), { 4 , 6 , 9 } ( subsets ), { 2 , 8 } ( subset ), Reading 20 books in 10 days ( Unit rate)

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