Răspuns :
Răspuns:
Explicație pas cu pas:
i) 7/25+4/10=7/25+2/5=7/25+10/25=(7+10)/25=17/25
j) 13/18+5/12=26/36+15/36=(26+15)/36=41/36
k) 7/18+2/15 =35/90+12/90=(35+12)/90=47/90
Răspuns:
Explicație pas cu pas:
i) 7/25+4/10=7/25+2/5=7/25+10/25=(7+10)/25=17/25
j) 13/18+5/12=26/36+15/36=(26+15)/36=41/36
k) 7/18+2/15 =35/90+12/90=(35+12)/90=47/90