Solution:
Expression
= (53*87+159*21+106*25)
= 53 (87+3*21+2*25)
= 53 (87+63+50)
= 53*200 = 10600
Then the option is (3) 10600
Expression
= (53*87+159*21+106*25)
= 53 (87+3*21+2*25)
= 53 (87+63+50)
= 53*200 = 10600
Then the option is (3) 10600