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648 - 9 + 118 X 15 ÷ 12 + 780 - 12 648 ÷ 9 - 118 + 15 X 12 - 780 ÷ 12 72 - 118 + 180 - 65 252 - 183 = 69
If (a + b + c) = 9, find (a – 4)3 + (b – 2)3 + ( c – 3)3 – 3(a – 4 ) (b – 2 ) (c &n...
If (x + y) = 40, then find the value of (x - 15)5 + (y - 25)5.
If for non-zero x, x² - 4x - 1 = 0, what is the value of x² + 1/x²?
If a² + c² + 17 = 2(a - 8b - 2c²), then what is the value of (a³ + b³ + c³)?
If x, y and z are real numbers such that (x-5)2+(y-8)2+(z-12)2= 0 then (x+y+z) is equal to
In a triangle ABC, a point D lies on AB and points E and F lie on BC such that DF is parallel to AC and DE is parallel to AF. If BE = 4 cm. EF = 6cm. th...
In a club of singers and dancers, 10% of the artists are absent on a particular day and 90% of the present artists are dancers. If 2,250 singers are pr...
If 2x + y = 10 and 3x - 2y = 5, find the value of x + y.