0.30+2.83×0.2=
    2.83+0.3×0.2=
    0.0038×6.96×3^2+0.0174×0.375×3^2=
    0.0400×6.96×3^2+0.0965×0.375×3^2=
    -0.0569×7.33×3.6^2=
    -0.0832×7.33×3.6^2
    0.91+4.12×0.2=
    4.12+0.91×0.2=
    0.0091×6.96×3.6^2+0.0188×0.375×3.6^2=
    0.0405×6.96×3.6^2+0.0965×0.375×3.6^2
    0.94+4.03×0.2=
    4.03+0.94×0.2=
    -0.0570×7.33×3.6^2=
    -0.0827×7.33×3.6^2=
    0.0093×6.96×3.6^2+0.0210×0.375×3.6^2=
    0.0399×6.96×3.6^2+0.0892×0.375×3.6^2=
    【1+3+5+7+9+11】+【1+3+5+7+9】+【1+3+5+7】+【1+3+5】+【1+3】+1；6*【1+3+5+7+9+11】+5*【1+3+5+7+9】+4*【1+3+5+7】+3*【1+3+5】+2*【1+3】+1*1
    【1+3+5+7+9】+【11+13+15+17+19】+【21+23+25+27+29】
    e3+e2
    2*2*2*2*2*2*2*2*3*3*3*3*5*5*7；【1+2+3+4+5+6+7+8+9+10】*【1+2+3+4+5+6+7+8+9】；9+99+999+9999+99999+999999+9999999

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