Răspuns :
p + m = 30
p = m : 2 + 3
p |______|+3
m |______|______|
30 - 3 = 27
27 : 3 = 9 (un segment egal)
p = 9 + 3 = 12 ( piersici )
m = 2 × 9 = 18 ( mere )
proba:
12 + 18 = 30
12 = 18 : 2 + 3
12 = 9 + 3
12 = 12
p = m : 2 + 3
p |______|+3
m |______|______|
30 - 3 = 27
27 : 3 = 9 (un segment egal)
p = 9 + 3 = 12 ( piersici )
m = 2 × 9 = 18 ( mere )
proba:
12 + 18 = 30
12 = 18 : 2 + 3
12 = 9 + 3
12 = 12