Question

In cate moduri poti utiliza cartonasele ptr a obtine exercitii corecte: 80 ,60 ,20 ,+ ,- = a)3,b)5 c)4,d)6

Answer 1

80-60=20
60+20=80
80-20=60

Raspuns: a)3

Answer 2

80-60=20
60+20=80
80-20=60
20+60=80
c)4