Odpowiedzi

2010-01-22T00:14:06+01:00
A)
(-1,2)x2,5x(-10)x4x(-2)=-3x(-10)x4x(-2)=30x4x(-2)=-240
b)
(2/3)x5/8x1 1/2x(-8/15)x0,3=-10/24x1 1/2x(-8/15)x3/10=-1 10/48x(-8/15)x3/10=1 80/720x3/10=1 240/7200=1 24/720=1,03
c)
0,007x1,3x(-1000)x(-20)=0,0091x(-1000)x(-20)=0,0091x20000=182
a w d) jak tam jest na samym koncu 21-1 czy ile