Question

ajutor plzz la toate ex 4-7 cu tot cu rezolvare plzz dau coroana si 5 stele​

Answer 1

Răspuns:

1.

a

7777,3 : 3=$\frac{77773}{30}$

sau

$2592\frac{13}{30}$

b

13,12:4 =3,28

c

17,5:5=3,5

d

56,7 :7=8,1

e

1,275:2=0,6375

f

26,39:0,001=2630

g

144,144:0,1=1441,44

h

23,175:0,01=2317,5

i

0,257:10=0,0257

j

213,1:1 000=0,2131

k

43,43:10 000=0,004343

l

1,75:105= $\frac{1}{60}$

2.

a

33,7:5=6,74

b

207,9:20=10,395

c

78,57:4=19,6425

d

75,08:8=9,385

e

23,5:100=0,235

f

13,731:50=0,27462

g

2014,16:16=125,885

h

723,2976:90=8,03664

3

a NUMARUL DE 25 DE ORI MAI MIC DECAT 150,075

150,075:25=6,003

b DE CATE ORI ESTE MAI MARE NUMARUL 0,001 DECAT 8

0,001:8=0,000125

4.

Cate minute a durat,in medie,un tur de pista?

85,75:7=12,25

12,25=12 minute si 15 secunde

Explicație pas cu pas:

1.

a

7777,3 : 3=

$\frac{77773}{10}$ : 3=

$\frac{77773}{10}$ x $\frac{1}{3}$=

=$\frac{77773}{30}$

sau

$2592\frac{13}{30}$