exam
Maths Puzzle
Numerical Ability
8/5-(-9n)=7/2n-5
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exam Other Question
hi i really need your help.I really dont know how to do this can you help me.
it says to evaluate:
52 ÷ (-22 + 32) + 24 · (1/4) =
122 - 42 ÷ (-1/2) + 2 · (-3)2 =
2x/5+2(x-5)=x+2