Mathematics

Mathematics, 21.11.2019 15:31, kayla942783

Un teren de 220 ha trebuie arat in 3 zile. stiind ca a doua zi s-a arat de 1,5 ori mai mult ca in frima zi, iar in a treia zi s-a arat de 2 ori mai mult ca in a doua zi, aflati cate hectare s-au arat in fiecare zi.

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Un teren de 220 ha trebuie arat in 3 zile. stiind ca a doua zi s-a arat de 1,5 ori mai mult ca in fr...

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