Znajdź liczbę, której 18% wynosi:
obliczam od razu
= 2(10√6-(2+2√6+3)-18√6+36 +7
______________________________=
(13-11)
=20√6-2-2√6-3-18√6+43
____________________________ = (-5+43):2=38/2 =17
2
szukana liczba=y
18% ·y =17
0,18·y=17
y=17 ·100/18 =1700/18=94 ²/₉
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obliczam od razu
= 2(10√6-(2+2√6+3)-18√6+36 +7
______________________________=
(13-11)
=20√6-2-2√6-3-18√6+43
____________________________ = (-5+43):2=38/2 =17
2
szukana liczba=y
18% ·y =17
0,18·y=17
y=17 ·100/18 =1700/18=94 ²/₉