Mathematics
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current location:Mathematical operation > History of Mathematical Computation
    cos-76
    arctan(4)
    sin30+sin30
    arctan(7.5/4.33)+π
    arctan(-3.54/20.26)+π
    arctan(7.25/12.07)
    arctan(7.25/12.07)+π
    arctan(-3.54/20.26)
    0.8/〖(1+2.7709%)〗^0.98 +1.2/(1+2.7709%)^1.98 +1.8/(1+2.7709%)^2.98 +102/(1+2.7709%)^3.98
    (2√5)²
    C(C(5,3),C(4,2))
    1.1+1.91+1.991+1.9991+1.99991+1.999991+1.9999991+1.99999991+1.999999991
    1+0.9+0.8+0.7+0.6+0.5+0.4+0.3+0.2+0.1 0.1×1.3+0.2×1.2+0.3×1.1+0.4×1+0.5×0.9 1+{[(77×78-6)-5679]÷107+30}×37 12-[0.2×(3+1.5)+1.1]÷[7.5-(3-2.5)×5]
    3+36
    4+27
    5+25=
    2/924
    C(12,6)
    A(0.6,32) B(1.5,200) C(3,465)
    0.38+0.00592+0.00000592+0.00000000592+0.00000000000592 17+0.26+0.005+0.0005+0.00005+0.000005+0.0000005 4+0.69+0.0069+0.000069+0.00000069+0.0000000069 3+0.17+0.0092+0.0000592+0.0000000592+0.0000000000592

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