Psychology, asked by sameerchoudhary70, 1 year ago

2. Venfy the following
(a) 18 - [7 +(-3)] - [18-71+ [18 (-3)
(b) (-21) (-4)+(-6)]-[(-21) (-4)7+(-20) (-6)​

Answers

Answered by riza89
2

Answer:

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