Question

Va rog eu multtt dau coronița​

Answer 1

Răspuns:

5)a+b=460

a |.....|......|.....|

b |.....|

aflam nr mai mic

460:3=115(b)

qflam nr mai mare:

115×3=345(a)

v345+115=460

6)a+b+c=525pagini

a |.......|

b |.......|........|

c |........|.......|........|........|

aflam cate pagini are prima:

525:7=75pagini

aflam cate pagini are a doua carte:75×2=150pagini

aflam cate pagini are a treia carte:

150×2=300pagini

v:75+150+300=525 pagini

Coroana!

Answer 2

5.

460:4=115(nr mic)

115×3=345(nr. mare)

6.

525:7=75(prima carte)

75×2=150(a doua carte)

150×2=300(a treia carte)