No, it's basically wrong. The so-called coefficient refers to the constant in the formula, so the third coefficient should be 3/5, the fourth is hard to say whether -3 is a coefficient or not, and the fifth should have three coefficients. Number refers to the highest number of terms in the formula, in which if there are unknowns to multiply, they need to be added. For example, the first number should be 2 times, the second number should be 4 times, the third number should be 2 times, and the number of constant 3 is 0 times, but this number refers to the highest number, so it is 2 times, and the fifth number is 4 times. Note that only multiplication can add, and addition and subtraction are two terms. Then, as I said just now, the items are connected by addition and subtraction signs, which means that there is only one item in the first three items, two items in the fourth item and three items in the fifth item.