1)cati meri sunt in livada?
3/8din240=3(240:8)=3x30=90 meri
2)cati peri sunt in livada?
3/10din240=3(240:10)=3x24=72 peri
3)cati caisi sunt in livada?
240-(90+72)=240-162=78 caisi
/...../...../...../___/___/___/___/___/ meri
/...../...../...../___/___/___/___/___/___/___/ peri }240
/_________________/ caisi
verif:90+72+78=240