Question

va rog dau coroanaa ex 9

Answer 1

9 A)  mod 1

12,56+41,275+29,11,=82,945

82,945 x 10 = 829,45 lei

mod 2

10 x (12,56+41,275+29,11)=10 x 82,945 = 829,45 lei

b) 1 zi : 3 / 8 x 24 = 24 x3) : 8 = 72 : 8 = 9 km

cati km au mai ramas:

24 - 9 = 15 km

cat a parcurs a doua zi?

0, (6) = 6/9 = 2 / 3

2/3 x 9 = 18 /3 = 6 km

cat a parcurs a 3 zi:

15 - 6 = 9 km

verif: 9 +6+9 = 18+6 = 24 km