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It supports mathematical functions (including trigonometric functions).
Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
It supports mathematical functions (including trigonometric functions).
Current location：Mathematical operation > History of Mathematical Computation > Answer
Overview: 7 questions will be solved this time.Among them
☆6 arithmetic calculations
☆1 integer calculations
[1/7 Formula]
Work: Calculate the value of equation 9.99999999×9.87654321+9.8765432 .
Question type: Mathematical calculation
Solution:
9.99999999×9.87654321+9.8765432
=98.765432+9.8765432
=108.641975
Answer:9.99999999×9.87654321+9.8765432=108.641975
[2/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 7777777777777777×3333333333333333
Solution:
7777777777777777×3333333333333333 = 25925925925925920740740740740741
Column vertical calculation:
| 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | |||||||||||||||||||||
| ✖ | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 1 | ||||||||||||||||||||
| 2 | 5 | 9 | 2 | 5 | 9 | 2 | 5 | 9 | 2 | 5 | 9 | 2 | 5 | 9 | 2 | 0 | 7 | 4 | 0 | 7 | 4 | 0 | 7 | 4 | 0 | 7 | 4 | 0 | 7 | 4 | 1 | |||||
[3/7 Formula]
Work: Calculate the value of equation (2×2003+4)÷(2003×2002-2004×2001) .
Question type: Mathematical calculation
Solution:
(2×2003+4)÷(2003×2002-2004×2001)
=4010÷(2003×2002-2004×2001)
=4010÷2
=2005
Answer:(2×2003+4)÷(2003×2002-2004×2001)=2005
[4/7 Formula]
Work: Calculate the value of equation 17+18.7+18.87+18.887+18.8887+18.88887+18.888887 .
Question type: Mathematical calculation
Solution:
17+18.7+18.87+18.887+18.8887+18.88887+18.888887
=35.7+18.87+18.887+18.8887+18.88887+18.888887
=54.57+18.887+18.8887+18.88887+18.888887
=73.457+18.8887+18.88887+18.888887
=92.3457+18.88887+18.888887
=111.23457+18.888887
=130.123457
Answer:17+18.7+18.87+18.887+18.8887+18.88887+18.888887=130.123457
[5/7 Formula]
Work: Calculate the value of equation 2008+(4004×4005-2002×2003)÷(2×3004-1) .
Question type: Mathematical calculation
Solution:
2008+(4004×4005-2002×2003)÷(2×3004-1)
=2008+12026014÷(2×3004-1)
=2008+12026014÷6007
=2008+2002
=4010
Answer:2008+(4004×4005-2002×2003)÷(2×3004-1)=4010
[6/7 Formula]
Work: Calculate the value of equation 1+2.7+3.07+4.007+5.0007+6.00007+7.000007 .
Question type: Mathematical calculation
Solution:
1+2.7+3.07+4.007+5.0007+6.00007+7.000007
=3.7+3.07+4.007+5.0007+6.00007+7.000007
=6.77+4.007+5.0007+6.00007+7.000007
=10.777+5.0007+6.00007+7.000007
=15.7777+6.00007+7.000007
=21.77777+7.000007
=28.777777
Answer:1+2.7+3.07+4.007+5.0007+6.00007+7.000007=28.777777
[7/7 Formula]
Work: Calculate the value of equation 19÷4+19÷0.4+19÷0.04+19÷0.004+19÷0.0004 .
Question type: Mathematical calculation
Solution:
19÷4+19÷0.4+19÷0.04+19÷0.004+19÷0.0004
=4.75+19÷0.4+19÷0.04+19÷0.004+19÷0.0004
=4.75+47.5+19÷0.04+19÷0.004+19÷0.0004
=4.75+47.5+475+19÷0.004+19÷0.0004
=4.75+47.5+475+4750+19÷0.0004
=4.75+47.5+475+4750+47500
=52.25+475+4750+47500
=527.25+4750+47500
=5277.25+47500
=52777.25
Answer:19÷4+19÷0.4+19÷0.04+19÷0.004+19÷0.0004=52777.25
>>注：本次最多计算 7 道题。