Question

Un elev rezolva sumplimentar in fiecare saptamana 15 probleme si 20 de exercitii. Cate exerciti si probleme rezolva in 6 saptamani? Rezolva in 2 moduri cu plan de rezolvare va rog eu frumos

Answer 1

Modul 1
Cate ex si probleme rezolva intr.o sapt ?
15 + 20 = 35
Cate exercitii si probleme rezolva in 6 saptamani ?
35×6 = 210

Modul 2
Cate ex . si probleme rezolva in 6 saptamani ?
(15+20)×6=35×6=210

Answer 2

________ ( exercitii)
_____(probleme)
si atunci faci asa:
1. Cate exercitii rezolva in 6 saptamani?
15+15+15+15+15+15=90
2.Cate probleme rezolva in 6 saptamani ?
20+20+20+20+20+20=120
ll. Cate probleme rezolva in 6 saptamani?
20×6=120
Cate exercitii rezolva in 6 saptamani?
15×6=90