Using appropriate properties of addition, find this
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refer to the image for solution hope it will help you
Step-by-step explanation:
If you have any difficulty in properties of numbers like commutative then you can visit to my channel MATHS MADE EASY for the 1st video in which the types of numbers and properties of numbers are explained in easy way ( also there are free worksheets and notes in the description box)
so you can refer that
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