Răspuns :
Răspuns:
13,52 km
Explicație pas cu pas:
prima zi: 5,12 km
a doua zi: 5,12-1,51=3,61 km
a treia zi: 5,12+3,61-4,21=4,52 km
5,12+3,61+4,52=13,25 km
13)
5,12-1,51=3,61 km in a 2 a zi
5,12+3,61=8,73 km in a 3 a zi
5,12+3,61+8,73=17,46 km in cele 3 zile
14)
a) 47,57-17,54=30,03
b) 201,01-17,54=183,47
c) 2001,003-17,54=1983,463
d) 20,15-17,54=2,61
e) 22,19-17,54=4,65
f) 171 / 10⁰- 17,54= 171-17,54 = 153,46
la restul nu stiu)