Oblicz:
2,5*(0,3*0,3)+2i3/4 *(0,1*0,1)=
(1i1/2*1i1/2)+2i2/9*3,25=
3i5/7:98-0,25*2i2/3)+1,44:1i1/5=
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2,5*(0,3*0,3)+2i3/4 *(0,1*0,1)=
2,5 * 0,09 + 2,75 * 0,01 = 0,225 + 0,0275 = 0,2525
(1i1/2*1i1/2)+2i2/9*3,25=
(1,5 * 1,5) + 20/9 * 3 i 1/4 =
2,25 + 20/9 * 13/4 =
2 i 1/4 + 65/9 = 2 i 1/4 + 7 i 2/9 = 2 i 9/36 + 7 i 8/36 = 9 i 17/36
3i5/7 : (8 - 0,25 * 2i2/3 )+ 1,44 : 1i1/5=
26/7 * (8 - 1/4 * 8/3 ) + 1,44 : 1,2 =
26/7 * (8 - 2/3) + 1,2 =
26/7 * 7 i 1/3 + 1,2 =
26/7 * 22/3 + 1,2 =
572/21 + 1,2 = 27 i 5/21 + 1 i 1/5 = 27 i 25/105 + 1 i 21/105 = 28 i 46/105