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

45-4x8-5+5x6+12=45-32-5+30+12=50
20-2x6=20-12=8
3+3x3=3+9=12

Answer 2

=45-4*(20-12)-5+5*(4+2)+(3+9)
=45-4*8-5+5*6+12
=45-32-5+30+12
=8+30+12
=38+12
=50
Răspunsul este b)50