without actually calculating the cube find the value of 100³-60³-40³
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100³ - 60³ - 40³
=> 10³(10³ - 6³ - 4³)
=> 10³(1000 - 216 - 64)
=> 10³ ( 1000 - 280)
=> 10³( 720)
=> 72 × 10⁴
hope it may help you.✌️✌️
=> 10³(10³ - 6³ - 4³)
=> 10³(1000 - 216 - 64)
=> 10³ ( 1000 - 280)
=> 10³( 720)
=> 72 × 10⁴
hope it may help you.✌️✌️
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