1.

(1) The sum of the two numbers in the box above is 4. If you move this box in the table, the two numbers in the box are different from each other, and a * * * can get (? ) different sums.

(2) If you box out three numbers at a time, a * * * can get (? ) different sums.

(3) If you box out four numbers at a time, a * * * can get (? ) different sums.

(4) If you box out five numbers at a time, a * * * can get (? ) different sums.

There are 36 students in Class Five (2). When physical education class is waiting in line, students stand in four rows, as shown in the figure below.

If Zhang Yue stands on the right of Li Yao, a * * * has a (? ) different station methods; If Xiaojie stands on Xiaohui's right and Xiao Fang stands on Xiaohui's left, three webmasters are together, and one * * * has (? ) different station methods.

3. According to the following arrangement, box out three letters at a time, and * * * has (? ) different framing methods.

The cinema has 16 seats in one row. Mom and Tao Tao go to the movies. If Tao Tao sits on his mother's right, there is a (? ) Different sitting postures.

5. Box out four graphics at a time, and one of them has (? ) different framing methods.

Second, draw a picture.

Draw two kinds of figures, every four are a group, arranged according to certain rules, and use 16 in * * *.

Third, the following is the lace of the blackboard newspaper, covering four adjacent squares with yellow transparent paper at a time.

1.？ How many times can you move? How many different ways are there?

2.？ If the transparent paper can be moved 10 times, how many adjacent squares will this transparent paper cover at a time?

3.？ If two adjacent squares are covered with transparent paper at a time, and one * * has 1 1 different covering methods, how many squares are there in such a lace?

4.？ Please ask another math problem and answer it.

4. In the box below (each side is 1 cm), how many small squares with a side length of 3 cm are there?

Xiaoming is going to finish reading a Grimm's fairy tale for five consecutive days in May.

1.？ How many different arrangements does he have?

2.？ He used it.

He framed five numbers on the calendar. He found that the sum of these five numbers was 70. Do you know which five numbers he framed?

Six, a * * * in the table has 50 odd numbers, and the sum of the five numbers in the box is 1 15.

1.？ What is the relationship between the sum of five numbers in each box and the middle number?

2.？ If the sum of the five numbers to be boxed is 255, how should I box it?

3.？ Can you frame five numbers that add up to 200? Why?

4.？ How many sums of different sizes can a * * * box take out?

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