(There is not a Chinese input program on my machine,sorry!)According to the formula ∫dx=x+CFor example1.∫sin xdx=∫-dcosx=-cosx+C2.∫1/x dx=∫dlnx=ln|x|+C3.∫x^4dx=∫x^5/5dx=x^5dx+C4.∫tanx dx=∫sin...