9. (3+8) + 10 = 10 + (_____)
commutative property
10. ( 7. 4 ) . 6 = ( 4. ___ ) . 6
commutative property
11. ( a + 2 ) + b = a + ( ____ + ____ )
associative property
12. 9. ( 11 + 2) = ___ . 11 + 9. ___
distirbutive property
commutative property
10. ( 7. 4 ) . 6 = ( 4. ___ ) . 6
commutative property
11. ( a + 2 ) + b = a + ( ____ + ____ )
associative property
12. 9. ( 11 + 2) = ___ . 11 + 9. ___
distirbutive property
Answers & Comments
10. 7
11. 2 + b
12. 2 ,
Mali tlaga need ko lng ng points