Oggettivazione del sé - part 2

 _____________________|  _________________  || | MAB          3. | || |_________________| ||  ___ ___ ___   ___  || | 7 | 8 | 9 | | + | || |___|___|___| |___| || | 4 | 5 | 6 | | - | || |___|___|___| |___| || | 1 | 2 | 3 | | x | || |___|___|___| |___| || | . | 0 | = | | / | || |___|___|___| |___| ||_____________________|