Oblicz: 3x1 2/5= 2x8 1/3= 8x3 2/9= 2 7/8 x 3= 4 2/5 x 3= Pomocy! Daje naj !!!

3 *1i2/5 = 3 *7/5= 21/5 = 4i1/5   2 *8i1/3= 2 * 25/3 = 50/3 = 16i2/3   8 * 3i2/9= 8 *29/9 = 232/9 = 25i7/9   2i7/8 *3 = 23/8 * 3 = 69/8= 8i5/8   4i2/5 * 3 = 22/5 * 3 = 66/5 = 13i1/5