Question

45 -4*(20-2*6)-5+5*(4+2)+(3+3*3) are variantele de raspuns a 40,b 50, c 90 ,d 0

Answer 1

=45-4·(20-12)-5+5·6+(3+9)
=45-4·8-5+5·6+12
=45-32-5+30+12
=13-5+42
=8+42
=50