[15 + (-3)] + 6 = 15+ [(-3) + 6]
Answers
Answered by
1
Answer:
12+6=15+3
18=18
proved
Answered by
13
Answer:
=> [15-3]+6 = 15 + (-3+6)
=> (12+6) = 15 +(3)
=> 18 = 18
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