Question

Działania na ułamkach. Pomocy!
Zad1.a 2i1/4 +3i2/4 - 3/5
b 1/18 - 5/6 + 7/24
Zad2.a 3/7 × 8/15 × 21/6 × 1/9
b 8i2/3 × 9/13 × 2i2/3
Zad3. a (13,86 - 3i5/6) +(- 3,85 + 4i5/6)
b 2i1/11 ×(-3i1/6)×5,6
c (-5,1)(-7/9) × 3,9 × 2i2/15
d (-4/9)×0,16×(-7,25)×3,25
e 15×(45,2 : 12 - 30 : 6i3/7) - 1i35/36