Question

Help vă rog este urgent
dau coroană ​

Answer 1

le simplifici tu daca e nevoie

1) a) 56/10, 412/100, 3419/1000, 7/10, 5/10000, 105/100

b) 25/9

1/3, 122/99, 1233/999, 17/99

c) 11/90, 122/990, 111/900, 1022/900

2) a) 11/5

b) 23/7

c)94/9

d) 157/10

3) a)

x = 7

b) x = 279

c) x = 5/9 * 9 = 5

d) x = 5 / 0,45 = 5 / 9 / 20 = 100 / 9

4) a) 1/6 - 1/8 - 3/24 =  -2/24

b) 4/9 + 6/5 - 12/15 = 20/45 + 54/45 - 36/45 = 38/45

c) 2,2 - 3,9 - 1 = -2,7

f) 6 - 7,8 + 1,8 = 0