1. Remove the 0 after the decimal point, and the size of the small tree remains the same. (10)

2.9.5959 Cyclic reservation of two decimal places is 9.60. (√).

3. The simplest score is only two fifths greater than 1 and less than three fifths. (10)

4. The prime factor of decomposition 78 is 78=2x39. (10)

5. All prime numbers except 2 are odd numbers. (√)

6.0.3 and 0.30 have the same size, but the counting units are different. The counting unit of 0.30 is 10 times of 0.3. (10)

7. If the quotient of the number A divided by the number B is 10, then the number A must be a multiple of the number B. (√).

8. A 60% discount on a commodity means that the current price is 60% lower than the original price. (10)