exam Maths Puzzle Numerical Ability

Is this problem true or false.....log(1+2+3) = log(1) + log(2) + log(3)

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exam Other Question

hello may someone help me with this pronblem?

Find the product (2x-1)(x-1).
Subtract and write the answer in simplest form.

34 2/3-16 5/6

I have been trying to solve this but the answer on my answer sheet is completely different from my answer. Please help!