(1)(+)÷+=______;(2)若x-44×5%=x,则x=______.

发布时间:2020-08-05 17:10:34

(1)(+)÷+=______;
(2)若x-44×5%=x,则x=______.

网友回答

解:
(1)(+)÷+,
=÷+,
=+,
=;

(2)x-44×5%=x,
??????? x-2.2=x,
?? x-x-2.2=x-x,
???????x-2.2=0,
?? x-2.2+2.2=0+2.2,
?????????? x=2.2,
????? x÷=2.2÷,
????????????? x=7.5.
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