a) 5 - 7 - 13 +12 -22 = -25
b) -21 +16 -3 -12 +24 = 4
c) 13,5 -24 +2,5 -5,3 +3,2 = - 10,1
d) 3,5 -2 -12,5 +4 -8,5 = 15,5
E) -3,6 +2i3/7 -1,4 -(-11/7)= -3i3/5 +2i3/7 -1i2/5 +11/7= - 4i5/5 +2i14/7= -5 +4 = -1
F) -5,75 + 4i 2/3 -2i1/4 -(-3i1/3)= -5i3/4 +4i2/3 -2i1/4 +3i1/3= - 7i4/4 +7i3/3=
= -8 +8 = 0
( W przykładzie f w książce jest 4i2/3, a nie 4 i3/2)
6i1/2 +(-2) = +
(3/4) - (4,5) = -
-1,25 + 3/4 = -
F) -5,75 + 4i3/2 -2i1/4 -(-3i1/3)= -5i3/4 +5i1/2 -2i1/4 +3i1/3= -7i4/4 +5i1/2 +3i1/3=
= -8 +5i3/6 +3i2/6 = -8 + 8 i 5/6 = 5/6
E) -3,6 +2i3/7 -1,4 -(-11/7) = -3i3/5 +2i3/7 -1i2/5 +11/7= - 4i5/5 +2i14/7 = -5 +4 = -1
nie wim czy dobrze
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a) 5 - 7 - 13 +12 -22 = -25
b) -21 +16 -3 -12 +24 = 4
c) 13,5 -24 +2,5 -5,3 +3,2 = - 10,1
d) 3,5 -2 -12,5 +4 -8,5 = 15,5
E) -3,6 +2i3/7 -1,4 -(-11/7)= -3i3/5 +2i3/7 -1i2/5 +11/7= - 4i5/5 +2i14/7= -5 +4 = -1
F) -5,75 + 4i 2/3 -2i1/4 -(-3i1/3)= -5i3/4 +4i2/3 -2i1/4 +3i1/3= - 7i4/4 +7i3/3=
= -8 +8 = 0
( W przykładzie f w książce jest 4i2/3, a nie 4 i3/2)
6i1/2 +(-2) = +
(3/4) - (4,5) = -
-1,25 + 3/4 = -
F) -5,75 + 4i3/2 -2i1/4 -(-3i1/3)= -5i3/4 +5i1/2 -2i1/4 +3i1/3= -7i4/4 +5i1/2 +3i1/3=
= -8 +5i3/6 +3i2/6 = -8 + 8 i 5/6 = 5/6
6i1/2 +(-2) = +
(3/4) - (4,5) = -
-1,25 + 3/4 = -
E) -3,6 +2i3/7 -1,4 -(-11/7) = -3i3/5 +2i3/7 -1i2/5 +11/7= - 4i5/5 +2i14/7 = -5 +4 = -1
nie wim czy dobrze