Posted by Pooja Ranjna 1 month, 3 weeks ago
1. We can multiply both the sides with zero to equalise them.
2. We can use roman numbers to prove this.
19 is written as XXIX
1 is written as I
20 is written as XXX
So, we can write it as:
XXIX - I = XXX
Hence, it is proved that 19-1= 20.
Posted by Paavni Agarwal 4 hours ago
Posted by Anshika Mishra 12 hours ago
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