任意一个数,然后加上52.8,再乘以5,再减去3.4343,然后除以0.5,再减去这个任意数的十倍.谁能回答出这个问题啊

Question

任意一个数,然后加上52.8,再乘以5,再减去3.4343,然后除以0.5,再减去这个任意数的十倍.
谁能回答出这个问题啊

Answer 1

任意数为x
[(x+52.8)*5-3.4343]/0.5-10*x
=(5x+264-3.4343)*2-10x
=10x+264*2-2*3.4343-10x
=10x-10x+264*2-2*3.4343
=264*2-2*3.4343
=528-6.8686
=521.1314
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