Răspuns :
Răspuns:
5x6=10x3
3x3=27:3
3x3x3=4x5+7
20-5:3=10:2
6x7=4x10+
5x6=30,x=30:10=3
27:3=9,3x3=9
4x5+7=27, 3x1x9=27
20-5=15:3=10:2=5
4x10+2=42, 6x7=42
27:3=9,3x3=9
4x5+7=27, 3x1x9=27
20-5=15:3=10:2=5
4x10+2=42, 6x7=42