Answer:

1. 2 x ( 15 + 20 ) = ( 20 x 15 ) + ( 2 x 20 )

2. 6 x 3 = 10 + 5 + 3

3. 42 + ( 63 + 200 ) = ( 42 + 63 ) + 200

4. 7 + 8 + 3 = 22 - ( 1 + ? )

5. ( 16 x 5 ) x 4 = 8 x ( 5 x 4 )

Hindi po ako sigurado sa sagot ko.