(1)(+)÷+=______;(2)若x=52×50%+x,则x=______.

发布时间:2020-08-09 12:02:37

(1)(+)÷+=______;
(2)若x=52×50%+x,则x=______.

网友回答

解:(1)(+)÷+,
=,
=,
=,
=,
=2;

(2)若x=52×50%+x,
?????? x=52×0.5x,
? xx=26,
-x=26,
-x×30=26×30,
????? ? x=-780;
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