Question

20. Calculaţi:
b) 165: 86 +(48-275): (85-97);
a) 320 (8¹5: 420-23) 20: 16¹5;
c) 814: 27³-7 [278 (173 17-15 173)-345 (139 41-139-39)];
d) (83)2: (8-25)2 +16 26.83 +32 4:24;
e) 97: (9.34)2+35 27²: (32)5 +81-3²:3​

Answer 1

Răspuns:

b)20.83

a)303

c) −111,122.

d)163,103.