Question

Am nevoie cma rapid trg​

Answer 1

Răspuns:

100×10=1000

a(b+c-d)=10×50=500

=> 1000-2×500=1000-1000=0

=0, a)

Answer 2

Răspuns:

Explicație pas cu pas:

100 x a - 2 x (a x b + a x c - a x d)

= 100 x a - 2 x a x (b + c - d)

= 100 x 10 - 2 x 10 x 50

= 1000 - 1000

= 0