Vezi ca e simplu tare de tot
Răspuns:
4:4=1 4-4=0 4-4+16=16 4×2=8 4×2-7=1
20:4=5 20-4=16 20-4+16=32 20×2=40 20×2-7=33
8:4=2 8-4=4 8-4+16=20 8×2=16 8×2-7=13
12:2=3 12-4=8 12-4+16=24 12×2=24 12×2-7=17
