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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 4^2+4.5^2+5^2+5.5^2+6^2+6.5^2+7^2+7.5^2 .
Question type: Mathematical calculation
Solution:
4^2+4.5^2+5^2+5.5^2+6^2+6.5^2+7^2+7.5^2
=16+4.5^2+5^2+5.5^2+6^2+6.5^2+7^2+7.5^2
=16+20.25+5^2+5.5^2+6^2+6.5^2+7^2+7.5^2
=16+20.25+25+5.5^2+6^2+6.5^2+7^2+7.5^2
=16+20.25+25+30.25+6^2+6.5^2+7^2+7.5^2
=16+20.25+25+30.25+36+6.5^2+7^2+7.5^2
=16+20.25+25+30.25+36+42.25+7^2+7.5^2
=16+20.25+25+30.25+36+42.25+49+7.5^2
=16+20.25+25+30.25+36+42.25+49+56.25
=36.25+25+30.25+36+42.25+49+56.25
=61.25+30.25+36+42.25+49+56.25
=91.5+36+42.25+49+56.25
=127.5+42.25+49+56.25
=169.75+49+56.25
=218.75+56.25
=275
Answer:4^2+4.5^2+5^2+5.5^2+6^2+6.5^2+7^2+7.5^2=275