单词	reciprocal
释义	reciprocal The multiplicative inverse of a quantity may, when the operation of multiplication is commutative, be called its reciprocal. Thus, the reciprocal of 2 is , the reciprocal of 3x+4 is 1/(3x+4), and the reciprocal of 1/(3x+4) is 3x+4.
随便看	right inverse right-regular rigid body rigid motion ring ring of integers rise risk Rn Robin boundary condition Robinson, Julia (Hall Bowman) robust rod Rodrigues' formula Rolle, Michel Rolle's Theorem rolling condition Roman numeral root root root mean squared deviation root of unity root test rose rotation

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