Question

Q.9 Find the sum using associative property.
a) 545 + ( 346 + 113)
b) (67 + 78 )+ 42​

Answer 1

Answer:

a) 545+459= 1004

b) 145+42=187

Answer 2

Step-by-step explanation:

$545 + (346 + 113) = 545 + (346 + 113) \\ = > 891 + 113 = 459 + 545 \\ = > 1004 = 1004 \\ \\ \\ \\ (67 + 78) + 42 \\ = 145 + 42 \\ = > 187$