A. \(\int\limits_a^c {f\left( x \right){\rm{d}}x} = \int\limits_a^b {f\left( x \right){\rm{d}}x} + \int\limits_b^c {f\left( x \right){\rm{d}}x} .\)
B. \(\int\limits_a^b {f\left( x \right){\rm{d}}x} = \int\limits_a^c {f\left( x \right){\rm{d}}x} - \int\limits_b^c {f\left( x \right){\rm{d}}x} .\)
C. \(\int\limits_a^b {f\left( x \right){\rm{d}}x} = \int\limits_b^a {f\left( x \right){\rm{d}}x} + \int\limits_a^c {f\left( x \right){\rm{d}}x} .\)
D. \(\int\limits_a^b {cf\left( x \right){\rm{d}}x} = - c\int\limits_b^a {f\left( x \right){\rm{d}}x} \)
C
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