Question

[hathanhdatmnm]

a)\(\frac{399x45+55x399}{1995x1996-1991x1995}\)

b)\(\frac{1995x1993-18}{1975x1993x1994}\)

c) 217x ( 63 + 26 ) - 216 x ( 63 + 26 ) - ( 63 - 26 )

d)\(\frac{2012x1999-2011x999}{2012x999+2012}\)

Answer 1

[hathanhdatmnm]

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