Matematyka z Plusem cz.1 ćw 6,7,8 str.12 .... Daje Naj ! Pomocy ! Zadanie 6 1 1/3 + 3/5 = 2 5/6 + 1 3/8 = 4/9 + 5/6 = 1 9/10 + 3 3/4 = 2 /35 + 3 3/4 = 2 3/5 + 2/7 = Zadanie 7 d) ! Bo resztę zrobiłam 7 = ?/4 13 = ?/3 15 = ?/4 Zadanie 8 6 7/9

Zadanie 6 1 1/3 + 3/5 =1 5/15+9/15=1 14/15 2 5/6 + 1 3/8 =2 20/24+1 9/24=3 29/24=4 5/24 4/9 + 5/6 =8/18+15/18=23/18=1 5/18 1 9/10 + 3 3/4 =1 18/20+3 15/20=4 33/20=5 13/20 2 /35 + 3 3/4 = 8/140+3 225/140=3 233/140=4 93/140 2 3/5 + 2/7 =2 21/35+10/35=2 31/35 Zadanie 7 d) ! Bo resztę zrobiłam 7 = 28/4 13 = 39/3 15 = 60/4 Zadanie 8 6 7/9 - 2/3 =6  7/9-6/9=6 1/9 6 3/4 - 7/8 =6 12/16-14/16=5 28/16-14/16=5 14/16=5 7/8 1 1/2 - 5/7 =1 7/14-10/14=21/14-10/14=11//14 7 3/4 - 5 4/5 =7 15/20-5 16/20=6 35/20-5 16/20=1 9/20 9 3/5 - 4 2/3 =9 9/15-4 10/15=8  24/15-4 10/15=4 14/15