1, fill in the appropriate company name: A marker is 10 (), and my mother is 1( )62 ().

2. Both factors are 5, and the product is (). Five 8+ s are (). Six times nine is ().

3、4+4=( )×( ); 5×3=( )+( )+( )。

4. Your favorite multiplication formula is (). Can you write two different formulas according to this formula? ( ),( )。

5. Fill in "+,-,×, >,