Răspuns :
al=5×an, al-32=an deci al-an =32, 5×an-an=32, 4×an =32, an=8 lei si al =8×5=40
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32:4=8 (Andrei)
8×5+32=40+32=72 (Alexandru)
V: 72-32=40
8+32=40
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32:4=8 (Andrei)
8×5+32=40+32=72 (Alexandru)
V: 72-32=40
8+32=40