Question

Cine ma ajuta cu tot cu rezolvare are coroana si idk cate punce! Va implor​

Answer 1

Răspuns:

a) 3/25

b) 15/126

c) 16/10

d)948/55

e)10/7

Explicație:

a)

3/5 * 2/10 = 3/5 * 1/5 = 3/25

b)

(1*3*5)/(2*7*9)= 15/126

c)

(4/5 -4/25)* 5/2=

(20-4)/25* 5/2=

16/25 * 5/2=

16*5 / 25*2=

16 / 5*2=

16/10

e)

2/7 : 1/5=

2/7 * 5/1=

2*5 / 7*1=

10/7

d)

(12*5+3)/5 + (4*11+7)/11=

63/5 + 51/11=

(63*11)/55 + (51*5)/55=

693/55 + 255/55=

948/55