Question

Adaugati paranteze ,in doua moduri ,pentru a obtine din fiecare exercitiu cate doua exercitii cu rezultate diferite . a) 15-15:5+5;     b) 5x8:1+3 ;       c) 2x2+2:2;

Answer 1

a) 15-(15:5)+5=
15-3+5=17
(15-15):5+5=
0:5+5=5
b)5x(8:1)+3=
5x8+3=43
(5x8):(1+3)=
40:4=10
c)(2x2)+(2:2)=
4+1=5
2x(2+2):2=
2x4:2=
8:2=4