Without actually calculating the cubes find the value of 45+45+45-25+2

1.	Without actually calculating the cubes find the value of 45+45+45-25+25+25-20+20+20
Answer» Given question (45+45+45)+(25+25+25)+(20+20+20)45 whole cube+25 whole cube+20 whole cube[ a cube + b cube =(a+b)whole cube ]Therefore (45+25+20)whole cube(90)whole cube=729000 We have to add it Not multiple

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