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The range is 9-1 = 8
The answer is 10C7 = 10*9*8/(3*2*1) = 120The answer is 10C7 = 10*9*8/(3*2*1) = 120The answer is 10C7 = 10*9*8/(3*2*1) = 120The answer is 10C7 = 10*9*8/(3*2*1) = 120
8 + 2 + 1 * 9 = 99
assuming the 12 are meant to be 1/2 then 8 + 1 = 9 1/2 + 1/2 = 2/2 = 1/1 = 1 9 + 1 = 10 . or 8 1/2 = 8.5 and 1 1/2 = 1.5 8.5 + 1.5 = 10
9/8 = 1/2 + 5/8 as multiply 1/2 by 4 to make lower number the same, i.e. 1/2 = 4/8 then 4/8 + 5/8 = 9/8 which is 1 and 1/8