1 Oblicz:
A)1 i 1/3 + 3 i 4/5 =
B)4/9 + 7 i 3/4 =
C)4 i 1/2 + 2 i 3/5 =
D)1 i 4/5 + 9 i 1/4 =
E)8 i 1/2 + 7 i 1/3 =
F)6 i 6/7 + 1/4 =
G)7 i 2/3 + 8 i 3/4 =
H)6 i 7/8 + 5 i 1/3 =
I)9 i 3/5 + 3 i 4/7 =
J)5/6 + 8 i 2/5 =
K)2 i 1/2 + 3 i 4/7 =
L)5 i 4/7 + 5 i 2/3=
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A) 1i 1/3+3 i4/5=4/3+19/5=20/15+57/15=77/15=5i 2/15
B)4/9+7 i 3/4=4/9+31/4=16/36+279/36=295/36=8 i 7/36
C)4 i 1/2+2 i 3/5=9/2+13/5=45/10+26/10=71/10=7 i 1/10
D)1 i 4/5+9 i 1/4=45/20+185/20=230/20=11 i 10/20= 11 i 1/2
E)8 i 1/2+7 i 1/3=17/2+22/3=51/6+44/6=95/6=15 i 5/6
F)6 i 6/4+1/4=48/7+1/4=192/28+7/28=199/28=7 i 3/28
G)7 i 2/3+8 i 3/4=23/3+35/4=92/12+105/12=197/12=16 i 5/12
H)6 i 7/8+5 i 1/3=55/8+16/3=165/24+128/14=293/24=12 i 5/24
I)9 i 3/5+3 i 4/7=48/5+25/7=336/35+125/35=461/35=13 i 6/35
J)5/6+8 i 2/5=5/6+42/5=25/30+252/30=277/30=9 i 7/30
K)2 i 1/2+3 i 4/7=5/2+25/7=35/14+50/14=85/14=6 i 1/14
L)5 i 4/7+5 i 2/3=39/7+17/3=117/21+119/21=236/21=11 i 5/21
LICZĘ NA NAJ :)