Răspuns :
a.I____I.........122..............I
b.I____I____I____I____I2I
122-2=120
120:3=40 ( a )
40x4+2=162 ( b )
b.I____I____I____I____I2I
122-2=120
120:3=40 ( a )
40x4+2=162 ( b )