Pliska pomocy!!!
a.
2,2 + 3 i 1/2 =?
b.
-8 i 1/3 - 1,1 =?
c.
- 4,1 - 2 i 7/120 - 4,25 =?
d.
5 i 1/3 - ( -2 i 5/6 - 12 i 2/3 ) =?
e.
- 7 i 5/6 - ( - 10 i 1/7) =?
f.
8 i 2/3 - ( - 6 i 2/3 ) =?
g.
10 i 3/5 - (- 11 i 5/7) =?
h.
- 3 i 3/4 -( - 5,1) =?
i.
-3,8 +( 8 i 2/5 ) - (- 6,5) =?
j.
2,25 - 3 i 1/12 =?
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a.
2,2 + 3 i 1/2 =2,2+3,5=5,7
b.
-8 i 1/3 - 1,1 = - 8 1/3 - 1 1/10= - 8 10/30 - 1 3/30= - 9 13/30
c.
- 4,1 - 2 i 7/120 - 4,25 = - 4 1/10 - 2 7/120 - 4 1/4 = - 4 12/120 - 2 7/120 - 4 30/120= - 10 49/120
d.
5 i 1/3 - ( -2 i 5/6 - 12 i 2/3 ) =5 2/6 + 2 5/6 + 12 4/6= 19 11/6= 20 5/6
e.
- 7 i 5/6 - ( - 10 i 1/7) = - 7 35/42 + 10 6/42 = - 7 35/42+ 9 48/42= 2 13/42
f.
8 i 2/3 - ( - 6 i 2/3 ) = 8 2/3 + 6 2/3= 14 4/3 = 15 1/3
g.
10 i 3/5 - (- 11 i 5/7) =10 21/35 + 11 25/35 = 21 46/35 = 22 11/35
h.
- 3 i 3/4 -( - 5,1) = - 3,75 + 5,1 = 1,35
i.
-3,8 +( 8 i 2/5 ) - (- 6,5) = - 3,8 + 8,4 + 6,5= 11,1
j.
2,25 - 3 i 1/12 = 2 1/4 - 3 1/12= 2 3/12 - 3 1/12= 2 3/12 - 2 13/12 = - 10/12= - 5/6
a.
2,2 + 3 i 1/2 = 2,2 + 3,5 = 5,7
b.
-8 i 1/3 - 1,1 = -25/3 - 11/10 = -250/30 - 33/30 = - 283/30 =-9 13/30
c.
- 4,1 - 2 i 7/120 - 4,25 = - 4 1/10 - 2 7/120 - 4 1/4 = -4 12/120 - 2 7/120 - 4 30/120=
= -10 49/120
d.
5 i 1/3 - ( -2 i 5/6 - 12 i 2/3 ) = 5 1/3 -( -2 5/6 - 12 4/6) =5 1/3 - (-15 1/2)=
= 5 2/6 + 15 3/6 = 20 5/6
e.
- 7 i 5/6 - ( - 10 i 1/7) = -7 35/42 + 10 6/42 = 10 6/42 - 7 35/42 =
= 9 48/42 - 7 35/42 = 2 13/42
f.
8 i 2/3 - ( - 6 i 2/3 ) =8 2/3 + 6 2/3 = 14 4/3 = 15 1/3
g.
10 i 3/5 - (- 11 i 5/7) = 10 21/35 + 11 25/35 = 21 46/35 = 22 11/35
h.
- 3 i 3/4 -( - 5,1) = -3,75 + 5,1 =1,35
i.
-3,8 +( 8 i 2/5 ) - (- 6,5) = -3,8 + 8,4 + 6,5 =11,1
j.
2,25 - 3 i 1/12 =2 1/4 - 3 1/12 = 2 3/12 - 3 1/12 =27/12 - 37/12 = -10/12=-5/6