Răspuns :
a - b = 78, 24
a = 3 × b
3 × b - b = 78, 24
2 × b = 78, 24
b = 78, 24 : 2
b = 39, 12
a = 3 × 39, 12
a = 117, 36
Răspuns:
a-b=78,24
a=3xb
3b-b=78,24
2b=78,24
b=39,12
a=3x39,12=117,36
V: 117,36-39,12=78,24
a - b = 78, 24
a = 3 × b
3 × b - b = 78, 24
2 × b = 78, 24
b = 78, 24 : 2
b = 39, 12
a = 3 × 39, 12
a = 117, 36
Răspuns:
a-b=78,24
a=3xb
3b-b=78,24
2b=78,24
b=39,12
a=3x39,12=117,36
V: 117,36-39,12=78,24