arithmetic

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How do I solve these questions?
3 1/3 - 2 2/5=

2.75 + .003 + .158 =

7/20 is equal to ?

What is the value of the expression
2x2+ 3xy – 4y2
when x = 2 and y = - 4?

16x - 8 =

If 2x – 3(x + 4) = - 5, then x =

– 3(5 – 6) – 4(2 – 3) =

  • arithmetic -

    3 1/3 - 2 2/5=

    3 1/3 = 2 4/3 = 2 20/15
    2 2/5 = 2 9/15
    2 20/15 - 2 9/15 = ?


    2.75 + .003 + .158 = ?


    7/20 = 0.35

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