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intr o livada s au plantat in trei zile 450de pomi fructiferi.In primele doua zile s au plantat 340,iar in ultimile doua zile ,210 pomi.Cati pomi fructiferi s au plantat in a doua zi?Rezolvare cu plan.

Răspuns :

I+II+III=450
I+II=340
II+III=210
1.Cati pomi s au plantat in a treia zi?
450-340=110
2.Dar in prima zi?
450-210=240
3.Dar in a doua zi?
340-240=100
VERIFICARE 100+240+110=450