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It supports mathematical functions (including trigonometric functions).
Current location：Mathematical operation > History of Mathematical Computation > Answer
Overview: 1 questions will be solved this time.Among them
☆1 arithmetic calculations
[1/1 Formula]
Work: Calculate the value of equation 8000/(1+5%)+4000/(1+5%)^2+4000/(1+5%)^3+4000/(1+5%)^4 .
Question type: Mathematical calculation
Solution:
8000/(1+5%)+4000/(1+5%)^2+4000/(1+5%)^3+4000/(1+5%)^4
=8000/1.05+4000/(1+5%)^2+4000/(1+5%)^3+4000/(1+5%)^4
=8000/1.05+4000/1.05^2+4000/(1+5%)^3+4000/(1+5%)^4
=8000/1.05+4000/1.05^2+4000/1.05^3+4000/(1+5%)^4
=8000/1.05+4000/1.05^2+4000/1.05^3+4000/1.05^4
=8000/1.05+4000/1.1025+4000/1.05^3+4000/1.05^4
=8000/1.05+4000/1.1025+4000/1.157625+4000/1.05^4
=8000/1.05+4000/1.1025+4000/1.157625+4000/1.21550625
=7619.047619+4000/1.1025+4000/1.157625+4000/1.21550625
=7619.047619+3628.117914+4000/1.157625+4000/1.21550625
=7619.047619+3628.117914+3455.350394+4000/1.21550625
=7619.047619+3628.117914+3455.350394+3290.809899
=11247.165533+3455.350394+3290.809899
=14702.515927+3290.809899
=17993.325826
Answer:8000/(1+5%)+4000/(1+5%)^2+4000/(1+5%)^3+4000/(1+5%)^4=17993.325826
☆1 arithmetic calculations
[1/1 Formula]
Work: Calculate the value of equation 8000/(1+5%)+4000/(1+5%)^2+4000/(1+5%)^3+4000/(1+5%)^4 .
Question type: Mathematical calculation
Solution:
8000/(1+5%)+4000/(1+5%)^2+4000/(1+5%)^3+4000/(1+5%)^4
=8000/1.05+4000/(1+5%)^2+4000/(1+5%)^3+4000/(1+5%)^4
=8000/1.05+4000/1.05^2+4000/(1+5%)^3+4000/(1+5%)^4
=8000/1.05+4000/1.05^2+4000/1.05^3+4000/(1+5%)^4
=8000/1.05+4000/1.05^2+4000/1.05^3+4000/1.05^4
=8000/1.05+4000/1.1025+4000/1.05^3+4000/1.05^4
=8000/1.05+4000/1.1025+4000/1.157625+4000/1.05^4
=8000/1.05+4000/1.1025+4000/1.157625+4000/1.21550625
=7619.047619+4000/1.1025+4000/1.157625+4000/1.21550625
=7619.047619+3628.117914+4000/1.157625+4000/1.21550625
=7619.047619+3628.117914+3455.350394+4000/1.21550625
=7619.047619+3628.117914+3455.350394+3290.809899
=11247.165533+3455.350394+3290.809899
=14702.515927+3290.809899
=17993.325826
Answer:8000/(1+5%)+4000/(1+5%)^2+4000/(1+5%)^3+4000/(1+5%)^4=17993.325826