Question

Calculeaza numerele necunoscute pentru a afla :
a) numarul de dinti ai vulpii urecheate.
(a+81:9)=295
b) cate ore doarme lenesul.
(b×4+20):2=54
Va rog ajutați-maaaa

Answer 1

a)(a+81:9)=295⇒a+9=295⇒a=295-9⇒a=286
b))(b×4+20):2=54⇒(4b+20):2=54⇒4b+20=2×54⇒4b+20=108⇒4b=108-20⇒
4b=88⇒b=88/4⇒b=22
sucees

Answer 2

a) (a+81:9)=295,a+9=295,a=295-9,a=286. b) (b×5+20):2=54,(b×5)+20=54×2,b×5=108,b=108:5,b=21.6