15 years of math: the grand finale Flashcards
1
Q
protsent
A
osa=terve*osamäär
2
Q
osa tervikust (p% arvust a)
A
a*p%/100%
3
Q
tervik osa järgi (p% on b)
A
b*100%/p%
4
Q
suhe %-des (a moodustab b-st)
A
a/b*100%
5
Q
a2-b2
A
(a-b)(a+b)
6
Q
(a-b)(a+b)
A
a2-b2
7
Q
(a+-b)2
A
a2+-2ab+b2
8
Q
a2+-2ab+b2
A
(a+-b)2
9
Q
am*an
A
am+n
10
Q
am:an
A
am-n
11
Q
(a*b)n
A
an*bn
12
Q
(a:b)n
A
an:bn
13
Q
(am)n
A
am*n
14
Q
a-n
A
1/an
15
Q
sina
A
a/c