(33.95)2 – (25.004)2 + (18.0099)2 – (9.07)2 = ? - (14.990)2
Here the terms of the given expression can also be rounded off as 342 – 252 + 182 – 92 = ? - 152 ? = 1156 – 625 + 324 – 81 + 225 ? = 999
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