Mathematics
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    4-4
    2^4/1
    -2²+|3|-(-5)
    π/2
    arcsin0.315
    4×3.14×81.88^2
    2.9×(30878.7×10%)^(1/3)
    11.8×10^3×3.14×[(457-7.1×2)/2×10^-3]^2
    90-arctan(1.94:4.2)
    180-90-arctan(1.94/4.2)
    arctan(4.2/1.94)
    4×3.14×82.8^2
    2.9×(31848.4×10%)^(1/3)
    18.1×10^3×3.14×[(457-7.1×2)/2×10^-3]^2
    4/tan50+5/tan30+5
    7.2/3-2.7tan11.3
    125*cos(90+11.3-20)
    125*sin(90+11.3-20)
    1^3+3^3+5^3+7^3+9^3+11^3+13^3+15^3+17^3+19^3+21^3+23^3+25^3+27^3+29^3
    (1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29)^2

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