Question

2,5 + 0,1 · [0,4 · (28,2 · 0,12 – 28,1) – 0,08] : 2,8.

Answer 1

Răspuns:

2,5+0,1-[0,4-(28,2=0,12)-0,08]:2,8=

Explicație pas cu pas:

5/2+1/10*[0,4(3,384-28,1)-0,08]+14/5

5/2+1/10*[0,4*(-24,716)-0,08]+14/5

5/2+1/10*(-9,8864-0,08)+14/5

5/2+1/10*(-9,9664):14/5

5/2+1/10*(6229/625):14/5

5/2-1/10*6229/625*5/14

5/2-1/10*6229/625*1/14

5/2-6229/17500

=37521/17500