Mathematics
语言:
中文
Language:English
==equ==
Unary equation
Multivariate equation
==cal==
Solution inequality
Mathematical calculation
Fractional calculation
Mathematical statistics
Resolving prime factor
Fraction and Decimal Interactions
Lenders ToolBox
==LiAl==
Determinant
Matrix multiplication
Inverse matrix
==der==
Derivative function
==img==
Function image
==que==
Q&A
current location:Mathematical operation > History of Mathematical Computation
((50-70)²+(60-70)²+(70-70)²+(80-70)²+(90-70)²)/4
4^2+(-8+4)*2^2+4
4^2-4*2^2+4
arcsin0.0325
√9
arccos(sqrt(2/3))
2862.413/9.81
1811.917/9.81
acos(0.5)
acos(0.5)
ln(9/7)
sin(1/7)
sin1/7
2sin(160-60)
2sin(140-60)
4.61×7/3-5.39×(-7/3)+3×(-7/3)
4.61×7/3-5.39(-7/3)+3×(-7/3)
400×(0.35+0.15×105/100+0.1×89/85+0.3×188.6/113.4+0.1×113/110-1)
100×(0.35+0.15×105/100+0.1×89/85+0.3×188.6/113.4+0.1×113/110-1)
100×(0.35+0.15×105/100+0.1×89/85+0.3×118.6/113.4+0.1×113/110)
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