please give the answer ..
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a-d+a+a+d=111,3a=111,a=111/3=37
(a+d)²-(a-d)²=1776
4ad=1776
d=1776/4×37=1776/148=12
numbers are25,37,49
(a+d)²-(a-d)²=1776
4ad=1776
d=1776/4×37=1776/148=12
numbers are25,37,49
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