Cho $\int\limits_{0}^{1}{f\left( x \right)\text{d}x}=5$ và $\int\limits_{0}^{1}{g\left( x \right)\text{d}x}=3$ khi đó \[\int\limits_{0}^{1}{\left[ 3f\left( x \right)-2g\left( x \right) \right]\text{d}x}\] bằng