Rozwiązane

oblicz
zad1.2/3+2/9=
zad2.1i1/5+2i7/10=
zad3.2/5-1/10=
zad4.5/3-5/6=

Odpowiedź :

z1. 2/3+2/9=6/9+2/9=8/9
z2. 1i1/5+2i7/10= 6/5+27/10=12/10+27/10=39/10=3i9/10
z3. 2/5-1/10=4/10-1/10=3/10
z4. 5/3-5/6=10/6-5/6=5/6
2/3+2/9= 6/9+ 2/9=8/9

1i1/5+2i7/10=6/5+27/10=12/10+27/10=39/10=3i9/10

2/5-1/10=4/10-1/10=3/10

5/3-5/6=10/6-5/6=5/6

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