Question

Calculati:5×(4+8)-2×{5+2×[10-3×(4-2)]}​

Answer 1

Explicație pas cu pas:

5×(4+8)-2x{5+2x[10-3x(4-2)]}=5x(4+8)-2x[5+2x(10-3x2)]=5x(4+8)-2(5+2x4)=5x12-2x10=60-20=40

Answer 2

Răspuns:

-14

Explicație pas cu pas:

5×(4+8)-2×{5+2×[10-3×(4-2)]}​=

=5×12-2×[5+2×(10-3×2)]

=5×12-2×[5+2×(8×2)]

=5×12-2×(5+2×16)

=5×12-2×(5+32)

=5×12-2×37

=60-74

=-14