a)s=vt v,t b)a=w²r r,w a) y= c/2a+z b)1/z + ab=c c)d-1/za =b

1. a) s=vt /:t s:t = vt/t s/t=v v=s/t s=vt /:v s/v = vt/v t = s/v b)a=w²r /:w² a/w² = w²r/w² a/w² = r r = a/w² a=w²r /:r a/r = w² / *√ √a/r = w w = √a/r 2. a) y= c/2a+z /*2a+z y(2a+z) = c c = y(2a+z) y = c/2a+z y(2a+z) = c 2ay+yz = c 2ay = c-yz a = (c-yz)/2y y = c/2a+z y(2a+z) = c 2ay+yz = c yz = c-2ay z = (c-2ay)/y b) 1/z + ab=c /-ab 1/z = c-ab /*z 1 = z(c-ab) /:(...) z = 1/(c-ab) 1/z+ab = c ab = c-1/z a = (c-1/z)/b 1/z+ab = c ab = c-1/z b = (c-1/z)/a c) d-1/za =b d = b+1/za d-1/za=b d = b+1/za d-b = 1/za /*za za(d-b) = 1 z = 1/a(d-b) d-1/za=b d = b+1/za d-b = 1/za /*za za(d-b) = 1 a = 1/z(d-b) ;)

Napisz zdanie z datami w nawiasach (słownie) 1. wann ist unser Nationalfeiertag? (11.11) 2. wann beginnt das schuljahr? (01.09) 3. Wnn beggint summer? (21.06) dam naj :))

Napisz zdanie z datami w nawiasach (słownie) 1. wann ist unser Nationalfeiertag? (11.11) 2. wann beginnt das schuljahr? (01.09) 3. Wnn beggint summer? (21.06) dam naj :))...