Question

va rog rapid am nevoie rapid dau coroana toate calculele de la ex 19,20 . dau coroana va roog rapid ​

Answer 1

Răspuns:

19.

a)8/10 • 1/16 = 1/20 = 0,05

b)253/10 • 1/50 = 253/500 = 0,506

c)1423/100 • 1/25 = 1423/2500 = 0,5692

d)Nu se vede...

e)6,453

f)7/100 • 1/1000 = 7/10000 = 0,0007

g)93712/10 • 1/50 = 93712/500 = 187,424

h)Nu se vede...

i)1818/100 • 100/505 = 1818/505 = 3,6

j)18104/100 • 10/146 = (18104•146)/10 = 264318,4

k)1836/10 • 10/85 = 1836/85 = 21,6

l)Nu se vede...

20.

a)25/10 • 1/3 = 25/30 = 5/6 = 0,8(3)

b)18/10 • 10/27 = 18/27 = 2/3 = 0,(6)

c)107/10 • 10/9 = 107/9 = 11,(8)

d)Nu se vede...

e)23/10 • 100/45 = 230/45 = 5,(1)

f)54/10 • 100/7 = 540/7 = 77,(142857)

g)7/9 • 100/175 = 700/(9•175) = 700/1575 = 0,(4)

h)Nu se vede...