Question

................... ​

Answer 1

Răspuns:

Explicație pas cu pas:

1)1/100

3/100

5/100

10/100

25/100

2) 25%

15%

45%

75 %

85 %

55%

3)

20/100*300=60

25/100*200=50

30/100*900=270

50/100*500250

4)

80/100*1200=960

Answer 2

Răspuns:

1%=1/100

3%=3/100

5%=5/100

10%=10/100

25%=25/100

___________

25/100=25%

15/100=15%

45/100=45%

75/100=75 %

85/100=85 %

55/100=55%

_____________

20/100×300=20×300:100=60

25/100×200=25×200:100=50

30/100×900=30×900:100=270

50/100×500=50×500:100=250

_______________

100%.......1200lei

80%............x

-------------------------

x=1200×80:100=960 lei a costat televizorul