21.5.2020 pattam section .work for brain question no 5 ,ans 9.explain this problem subtraction method
pare I, 7-3=4
pare II, 11-5=6
pare III,15-7=8
pare IV, 19-?=10 that is 9.the difference between pare I and pare II is 2 is increases by 2.
21-மே-2020 14:26:53 IST
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