Răspuns:
Explicație pas cu pas:
i).
2m_____6p_____610
2m_____4p_____464
_____________________
//______2p_____146
1p=146:2
o papusa=73 lei
2m+6*73=610
2m+438=610
2m=172
o masinuta=86 lei
j).
5pe_____7pi_____891
3pe_____7pi_____795
2pe_____//_____96
1 perna= 48 lei
5*48+7pi=891
240+7pi=891
7pi=651
o pilota=93 lei
k).
6m_____3s_____1233
1m_____3s______373
____________________
5m_____//______860
o masa=172 lei
6*172+3s=1233
1032+3s=1233
3s=201
un scaun=67 lei
l).
2t_____8l_____14400
2t_____3l_____ 7675
___________________
//_____5l______6725
1 laptop=1345 lei
2t+8*1345=14400
2t+10760=14400
2t=3640
1 telefon=1820 lei
