1, arrears-negative number

2. The road is not curved-diameter

3. Manual calculation-index

4. The second time is a coincidence

5. Five cents-half a penny

Step 6 walk side by side-parallel

7. Focus again-plural number

8, fishing-equal to (fish)

9. Don't cheat in the exam-real score

10, pyramid-volume, accumulation

Second, guess the numbers.

1, where 2

2. Add a sum and increase it by a hundredfold; Subtract one, and it's 90% less.

Two birds fly relatively, one is thin and the other is fat.

There is no water in Mount Tai.

Third, guess the words

1, 72 hour crystal

2, 40 to 80% a day

3. Left 18, right 1 1.

Fourth, guess idioms.

The reciprocal of 1 and 3/4 is upside down.

2, 7/8 is falling apart.

000, 1/65438+ 1.