Question

solve 7.16×7.16+2.16×7.16+2.16×2.16

Answer 1

7.16×7.16+2.16×7.16+2.16×2.16
=7.16^2+2.16×7.16+2.16^2
=51.2656 + 15.4656 +4.6656
=71.3968



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