Question

Prove that the following statements are false and give the reason.
a. (18-6)+3=18-(6+3)
b. (76-6)-20=76-(6-20)
c. (742-58)-10=742-(58-10)
d. (437-32)+48=437-(32+48)
e. 8-4=4-8
f. 346- 276 = 276- 346

Answer 1

a)false 15=9

reason first calculate the bracket fromula

b) false 50=90