👤

proszę o szybkie rozwiązanie ​

Proszę O Szybkie Rozwiązanie class=

Odpowiedź :

Odpowiedź:

zad.1

a)  7/9 +4/9= 11/9= 1 i 2/9

b) 1 i 2/7 + 5/7= 1 i 7/7= 2

c) 2 i 2/5 + 3 i 3/5= 5 i 5/5= 6

d) 1 - 3/5= 5/5- 3/5= 2/5

e )   1 - 6/11= 11/11- 6/11= 5/11

f)    1 - 19/25= 25/25 - 19/25= 6/25

g)  4/5 +2/5= 6/5= 1 i 1/5

h) 3/4+3/4= 6/4= 1 i 2/4= 1 i 1/2

i)   3/4-1/2= 3/4- 2/4= 1/4

j)  8 - 1/4= 7 i 4/4-1/4= 7 i 3/4

k)   5 - 3/7= 4 i 7/7- 3/7= 4 i 4/7

l)   10 - 2/5= 9 i 5/5-2/5= 9 i 3/5

m)  5 i 7/9 - 4 i 2/9= 1 i 5/9

n) 6 - 2 i 7/8= 5 i 8/8- 2 i 7/8= 3 i 1/8

o)   2 i 1/5 - 2/5= 1 i 6/5- 2/5= 1 i 4/5

zad.2

a)  1/7 + 5/14= 2/14+ 5/14=  7/14= 1/2

b)  3/4 + 5/12= 9/12 +5/12= 14/12= 1 i 2/12= 1 i 1/6

c) 8/9- 5/18= 16/18- 5/18= 11/18

d)  1/3 + 3/4 = 4/12 + 9/12= 13/12= 1 i 1/12

e) 3/5-1/2= 6/10- 5/10= 1/10

f)  1 i 1/2 -1/3= 1 i 3/6-2/6= 1 i 1/6

g)  1 i 1/2 + 3/8= 1 i 4/8 + 3/8= 1 i 7/8

h)   1 i 1/3- 2/9= 1 i 3/9- 2/9= 1 i 1/9

i)  2 i 3/5- 7/10= 2 i 6/10-7/10= 1 i 16/10- 7/10= 1 i 9/10

j)  5/6- 1/4= 10/12 - 3/12 = 7/12

k)   1 i 1/6 - 7/9= 1 i 3/18- 14/18= 21/18- 14/18= 7/18

l)   2 i 3/8 - 1 i 5/6= 2 i 9/24 - 1 i 20/24= 1 i 33/24- 1 i 20/24= 13/24

Szczegółowe wyjaśnienie:

zadanie 1

a) 7/9 + 4/9 = 11/9 = 1 2/9

b) 1 2/7 + 5/7 = 1 7/7 =2

c) 2 2/5 + 3 3/5 = 5 5/5 = 6

d) 1 - 3/5 = 5/5 - 3/5 = 2/5

e) 1 - 6/11 = 11/11 - 6/11 = 5/11

f) 1 - 19/25 = 25/25 - 19/25 =6/25

g) 4/5 + 2/5 = 6/5 = 1 1/5

h) 3/4 + 3/4 = 6/4 = 1 2/4 = 1 1/2

i) 3/4 - 1/2 = 3/4 - 2/4 = 1/4

j) 8 - 1/4 = 7 4/4 - 1/4 = 7 3/4

k) 5 - 3/7 = 4 7/7 - 3/7 = 4 4/7

l) 10 - 2/5 = 9 5/5 - 2/5 = 9 3/5

m) 5 7/9 - 4 2/9 = 1 5/9

n) 6 - 2 7/8 = 5 8/8 - 2 7/8 = 3 1/8

o) 2 1/5 - 2/5 = 1 6/5 - 2/5 = 1 4/5

zadanie 2

a) 1/7 + 5/14 = 2/14 + 5/14 = 7/14

b) 3/4 + 5/12 = 9/12 + 5/12 = 14/12 = 1 2/12 = 1 1/6

c) 8/9 - 5/18 = 16/18 - 5/18 = 11/18

d) 1/3 + 3/4 = 4/12 + 9/12 = 13/12 = 1/12

e) 3/5 - 1/2 = 6/10 - 5/10 = 1/10

f) 1 1/2 - 1/3 = 1 3/6 - 2/6 = 1 1/6

g) 1 1/2 - 3/8 = 1 4/8 - 3/8 = 1 1/8

h) 1 1/3 - 2/9 = 1 3/9 - 2/9 = 1 1/9

i) 2 3/5 - 7/10 = 2 6/10 - 7/10 = 1 16/10 - 7/10 = 1 9/10

j) 5/6 - 1/4 = 10/12 - 3/12 = 7/12

k) 1 1/6 - 7/9 = 7/6 - 7/9 = 21/18 - 14/18 = 7/18

l) 2 3/8 - 1 5/6 = 1 11/8 - 1 5/6 = 1 33/24 - 1 20/24 = 13/24

Powinno być w porządku :3