Question

Simplify 3.1×3.1×3.1+1.1×1.1×1.1÷3.1×3.1-3.1×1.1+1.1×1.1

Answer 1

3.1x3.1x3.1+1x1.1x1.1x1.1/3.1*3.1-3.1*1.1*1.1=28.922

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