Odpowiedzi

2009-11-20T21:22:25+01:00
Oblicz:
(-1/2)+2/5{3/5-(-0,45)
₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋--------=
1,55-(1i2/5)}:2i3/4

(-1/2)+2/5{0,6+0,45}
₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋--------=
1,55-(7/5)}:11/4

(-1/2)+2/5{1,05}
₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋--------=
1,55-(7/5)}:11/4

(-1/2)+0,4{1,05}
₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋--------=
1,55-(1,4)}:11/4

(-0,5)+0,42
₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋=
0,15}:11/4

-0,08
₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋=
15/100}*4/11

-0,08
₋₋₋₋₋₋₋₋=-8/100:1/5=-8/100*5=-40/100=-0,4 lub -2/5
1/5


2009-11-20T21:24:41+01:00
(-1/2)+2/5[3/5-(-0,45)]= -0,5 +0,4 [0,6 +0,45]= -0,5 +0,4* 1,05=-0,5 +0,4= -0,1

1,55-(1i2/5)}:2i3/4= 1,55 +1,4 : 2,75= 2,95 : 2,75=≈1,1
2009-11-20T22:08:07+01:00
(-1/2)+2/5{3/5-(-0,45)=0,43
₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋-----------=0,43:197/220=473/985
1,55-(1i2/5)}:2i3/4 =197/220