Răspuns :
aflam cate roti au bicicletele. 18*2=36
aflam cate roti au tricicletele. 36*3=108
total
36+108=144
aflam cate roti au tricicletele. 36*3=108
total
36+108=144
[tex]18 \times 2 = 36roti \: bicicleta[/tex]
[tex]36 \times 3 = 108roti \: tricicleta[/tex]