Question

intr-un depozit erau 13 baxuri a cate 12 sticle de apa mineral si 25 de baxuri a cate 18 sticle de apa plata.daca s-au vandut 39 de sticle de apa mineral si 78 de sticle de apa plata,afla cate sticle de apa au ramas in deposit.Rezolva problema printr-un singur exercitiu

Answer 1

12×13-39+25×18-78=156-39+450-78=117+372=489

Answer 2

13x12-39+25x18-78=
156-39+450-78
117+450-78
567-78
489(sticle  ramase)