Question

5. Calculaţi ţinând cont de ordinea efectuării operațiilor:
a) 2 - (1020: 85 + 205) : [33 · 18 – (50 · 10+ 23 4)] + 1343 : 17 – 262;
b) (3 - 1512 + 2.1512) : 15" + (32 + 32) : (33 + 3): 3+ 12005 – 2005°.


Va roooog!!​

Answer 1

Răspuns:

a)2-(1020:85+205):[33×18-(50×10+23×4)]+1343:17-262=289

2-217:(33×18-592)+1343:17-262=289

2-217:2+1343:17-262=289

2-108+262-79=289

106+183=289

b)(3-1512+21.512):15+(32+32):(33+3):3+12005-2005=11392

20.003:15+64:36:3+12005-2005=11392

1333+59+10000=11392

1392+10000=11392