If your usual grade is not 100, you can multiply your usual grade by 60% to get your usual grade, then subtract 60% from your usual grade, and then remove 30% from your grade, which is the test paper grade. Only when you reach this test paper grade can you pass.
In fact, the college exam is not very difficult. Before the exam, you must remember to look at part of the range drawn by the teacher. It is important not to leave open questions blank. As long as teachers answer questions, they will generally give points as appropriate, so it is not difficult to reach the passing line.
Law of integer division
(1) Start with the high order of the dividend, first look at how many digits there are in the dividend, and then try to divide the dividend by the first few digits. If it is smaller than the divisor, divide it by one digit as much as possible;
(2) Write the quotient on ex-dividend;
(3) The remainder after each division operation must be less than the divisor.
Solutions to such problems:
(1) Carefully examine the question, find out the meaning of the question, find out the unknown quantity, and set it as the unknown quantity.
(2) Find out the equivalence relation in the problem and list the equations.
(3) Solve the equation correctly.
(4) inspection.