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Mathematical statistics：
Enter the data to be counted, separated by commas (","), and click Next to get the statistics results.
Statistical items: total data, sum, average, variance and standard deviation.
Note: Statistical data can only be numbers, which cannot be algebraic expressions or mathematical functions (including trigonometric functions).
Enter the data to be counted, separated by commas (","), and click Next to get the statistics results.
Statistical items: total data, sum, average, variance and standard deviation.
Note: Statistical data can only be numbers, which cannot be algebraic expressions or mathematical functions (including trigonometric functions).
Current location：Mathematical operation > History of Mathematical Statistics > Answer
Overview: 1 questions will be solved this time.Among them
☆1 arithmetic calculations
[1/1 Formula]
Work: Calculate the value of equation (3722-3940)*2+(3872-3940)*2+(4004-3940)*2+(4012-3940)*2+(3972-3940)*2+(3778-3940)*2+(4022-3940)*2+(4006-3940)*2+(3986-3940)*2+(4026-3940)*2 .
Question type: Mathematical calculation
Solution:
(3722-3940)*2+(3872-3940)*2+(4004-3940)*2+(4012-3940)*2+(3972-3940)*2+(3778-3940)*2+(4022-3940)*2+(4006-3940)*2+(3986-3940)*2+(4026-3940)*2
=-218*2+(3872-3940)*2+(4004-3940)*2+(4012-3940)*2+(3972-3940)*2+(3778-3940)*2+(4022-3940)*2+(4006-3940)*2+(3986-3940)*2+(4026-3940)*2
=-218*2+(-68)*2+(4004-3940)*2+(4012-3940)*2+(3972-3940)*2+(3778-3940)*2+(4022-3940)*2+(4006-3940)*2+(3986-3940)*2+(4026-3940)*2
=-218*2+(-68)*2+64*2+(4012-3940)*2+(3972-3940)*2+(3778-3940)*2+(4022-3940)*2+(4006-3940)*2+(3986-3940)*2+(4026-3940)*2
=-218*2+(-68)*2+64*2+72*2+(3972-3940)*2+(3778-3940)*2+(4022-3940)*2+(4006-3940)*2+(3986-3940)*2+(4026-3940)*2
=-218*2+(-68)*2+64*2+72*2+32*2+(3778-3940)*2+(4022-3940)*2+(4006-3940)*2+(3986-3940)*2+(4026-3940)*2
=-218*2+(-68)*2+64*2+72*2+32*2+(-162)*2+(4022-3940)*2+(4006-3940)*2+(3986-3940)*2+(4026-3940)*2
=-218*2+(-68)*2+64*2+72*2+32*2+(-162)*2+82*2+(4006-3940)*2+(3986-3940)*2+(4026-3940)*2
=-218*2+(-68)*2+64*2+72*2+32*2+(-162)*2+82*2+66*2+(3986-3940)*2+(4026-3940)*2
=-218*2+(-68)*2+64*2+72*2+32*2+(-162)*2+82*2+66*2+46*2+(4026-3940)*2
=-218*2+(-68)*2+64*2+72*2+32*2+(-162)*2+82*2+66*2+46*2+86*2
=-436+(-68)*2+64*2+72*2+32*2+(-162)*2+82*2+66*2+46*2+86*2
=-436+(-136)+64*2+72*2+32*2+(-162)*2+82*2+66*2+46*2+86*2
=-436+-136+128+72*2+32*2+(-162)*2+82*2+66*2+46*2+86*2
=-436+-136+128+144+32*2+(-162)*2+82*2+66*2+46*2+86*2
=-436+-136+128+(144)+64+(-162)*2+82*2+66*2+46*2+86*2
=-436+-136+128+(144)+64+(-324)+82*2+66*2+46*2+86*2
=-436+-136+128+(144)+64+-324+164+66*2+46*2+86*2
=-436+-136+128+(144)+64+-324+164+132+46*2+86*2
=-436+-136+128+(144)+64+-324+164+132+92+86*2
=-436+-136+128+(144)+64+-324+164+132+92+172
=-572+128+144+64+(-324)+164+132+92+172
=-444+144+64+(-324)+164+132+92+172
=-300+64+(-324)+164+132+92+172
=-236+(-324)+164+132+92+172
=-560+164+132+92+172
=-396+132+92+172
=-264+92+172
=-172+172
=0
Answer:(3722-3940)*2+(3872-3940)*2+(4004-3940)*2+(4012-3940)*2+(3972-3940)*2+(3778-3940)*2+(4022-3940)*2+(4006-3940)*2+(3986-3940)*2+(4026-3940)*2=0