exam
Maths Puzzle
Numerical Ability
simplify
3 times the square root of 3/13 - 7 times the square root of 13/3
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exam Other Question
– 5[1 – 7] ÷ (-6) + 1
im not sure how to solve this i did it on a scientific cal. and i got -4 and i had a friend do it and she got 5 and 4 6ths. i when i do it and work it out i get 2 so any help would be appreciated.
six less than twice a number is 16.