Question

matematyka karta pracy

Answer 1

Odpowiedź:

zadanie 1 - B

zadanie 2 - C

zadanie 3

a) 3/4 + 1/5 = 15/20 + 4/20 = 19/20

b) 2/3 - 3/7 = 14/21 - 9/21 = 5/21

zadanie 4

a) 1 6/7 + 5/7 = 1 11/7 = 2 4/7

b) 1 1/3 + 2 5/8 =1 8/24 + 2 15/24 = 3 23/24

c) 1 2/13 - 9/13 =15/13 - 9/13 = 6/13

d) 5 5/8 - 3 1/2 = 5 10/16 - 3 8/16 = 2 2/16

zadanie 5

a) 1 2/3 + 2 3/4 = 1 8/12 + 2 9/12 = 3 17/12 = 4 5/12

b) 4 2/5 - 2 5/8 = 4 16/40 - 2 25/40 = 3 56/40 - 2 25/40 = 1 21/40

zadanie 6

a) 1 2/5 + 1/8 = 1 16/40 + 5/40 = 1 21/40

b) 4 3/5 + 2 2/3 = 4 9/15 + 2 10/15 = 6 19/15 = 7 4/15

c) 5 3/5 - 1 1/4 = 5 12/20 - 1 5/20 = 4 7/20

d) 5 2/5 - 3 7/10 =5 4/10 -3 7/10 = 4 14/10 - 3 7/10 = 1 7/10