zad.1 oblicz 1 1/3 * 2/5= 2 1/2 * 3/4= 2/7 * 5 3/4= 2 4/5 * 3 2/3= 1⅔×2½= 2¼×3⅖= zad.2 oblicz skracając, jeśli to możliwe ¾×⅚= 8/5× 7/12= 4/9× 7/10= ⅚× 9/10= 4/7 × 21/24= ⅜× 14/15= 1⅓×2¼= 2½×1⅕= 3⅕×1⅚=

4/3 x 2/5 = 8/15 2 1/2 * 3/4= 5/2 x 3/4 = 1 7/8 2/7 * 5 3/4= 2/7 x 23/4 = 1 9/14 2 4/5 * 3 2/3= 14/5 x 11/3 = 10 4/15 1⅔×2½= 5/3 x 5/2 = 4 1/6 2¼×3⅖= 9/4 x 17/5 = 7 13/20 ¾×⅚= 5/8 8/5× 7/12= 14/15 4/9× 7/10= 14/45 ⅚× 9/10= 3/4 4/7 × 21/24= 3/6 = 1/2 ⅜× 14/15= 7/20 1⅓×2¼= 4/3 x 9/4 = 3 2½×1⅕= 5/2 x 6/5 = 3 3⅕×1⅚= 16/5 x 11/6 = 88/15 = 5 13/15

1. 1 1/3 * 2/5=4/3*2/5=8/15 2 1/2 * 3/4=3/2*3/4=9/8=1 1/8 2/7 * 5 3/4=2/7*23/4=46/28=23/14=1 9/14 2 4/5 * 3 2/3=14/5*11/9=154/45=3 19/45 1⅔×2½= 5/3*3/2=5/2=2 1/2 2¼×3⅖=9/4*17/5=153/20=7 13/20 2. ¾×⅚=1/4*5/2=5/8 8/5× 7/12=2/5*7/3=14/15 4/9× 7/10=2/9*7/5=14/45 ⅚× 9/10=1/2*3/2=3/4 4/7 × 21/24=1/1*3/6=3/6=1/2 ⅜× 14/15=1/4*7/5=7/20 1⅓×2¼=4/3*9/4=1/1*3/1=3/1=3 2½×1⅕=5/2*6/5=1/1*3/1=3/1=3 3⅕×1⅚=16/5*11/6=8/5*11/3=88/15=5 13/15