Mathematics
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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
arctan10
arctan2.3/0.23
-arctan(2.3/0.23)+arctan(2.3/0.0132)+arctan(2.3*0.25)+arctan(2.3*0.0625)-90+180
-arctan(2.3/0.23)+arctan(2.3/0.0132)+arctan(2.3*0.25)+arctan(2.3*0.0625)
arctan(2.3/0.23)+arctan(2.3/0.0132)+arctan(2.3*0.25)+arctan(2.3*0.0625)
20*lg40-20*lg2.3
20lg40-20lg2.4
e(-3.14)
80÷(2+3) (145-45)÷2 5×(25+14) (80-15)÷5
369-(156-96) 247-(125+46) (75+69)÷6 147÷(2+1)
322÷(7×24) (126+840)÷7 (43+35)×20 560÷(16÷2)
(380+160)÷(18×3) 405+(123-23)÷5 900÷[(15+10)×3] (522-217)÷5
sqrt4.42+3/4.42^3
2163.657+984
156.521*3.668+91.047*1.018=
4168*700
73000×7000= 64000×7000= 160000÷8000= 17000×6000= 570000×6000= 700000÷1400= 90000×67000= 20000×76000= 420000÷7000=
70000×600= 70000×6000= 760000÷500= 30000×7000= 17000×700= 7200000÷8000= 20000×7600= 90000×7000= 24000000÷6000=
70000×600= 70000×6000= 760000÷500= 30000×7000= 17000×700= 7200000÷8000= 20000×7000= 90000×7000= 24000000÷6000=
17000×7000= 57000×7000= 370000÷5000= 75000×7000= 86000×7000= 7700000÷700= 570000×700= 500700×700= 760000÷5000=
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