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CBSE Class 8 Answered

If 23-13 = 1 + 2 x 1 x 3

33-22 = 1 + 3 x 2 x 3

Find :

i) 73 - 63 ii) 123 - 113

Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer

Using the data given in problem, we have

 

i) 73 - 63 = 1 + 7 x 6 x 3 = 127

ii) 123 - 113 = 1 + 12 x 11 x 3 = 397 

Answered by | 04 Jun, 2014, 03:23: PM
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