6 times of 1 and 5 is (), and 9 times of 7 is ().

2. Add five sevens, the column addition formula is (), the column multiplication formula is (), pronounced as (), and the calculation formula is ().

3. Complete the formula.

89 () () 637 () 69 () 38 () () 2748 () 59 ()

2. How much can I put in ()?

5×( )﹤4 1 ( )×8﹤73 34﹥( )×7 ( )×4﹤37 7×( )﹤50 ( )×6﹤ 1 1 55﹥ 8×( ) ( )×9﹤ 17

Third, choose the right conditions and questions to fill in the blanks and answer them side by side.

1. There are 42 motorcycles in the toy store, _ _ _ _ _ _ _ _ _. How many cars are there?

(① There are fewer cars than motorcycles 18. ② There are more motorcycles than trains 18. )

There are 29 trains in the toy store, and there are 27 fewer trains than cars. _____________________?

(1) How many cars are there more than trains? ② How many cars are there? )

Fourth, the application problem.

1. The school bought 72 story books and comic books, including 46 story books and several comic books.

2. Buy a Transformers 48 yuan and a remote control car 85 yuan. How much is Transformers cheaper than remote control cars?

There are 45 apples in the fruit shop, less than oranges 16. How many oranges are there?