Question

3. Efectuează:
a) 7+3 · [23 +5. (8 +66:6)];
c) [200 - 200 : (75 - 25)]:4;
e) (1+2+3)4 +5.6. (7 + 8 +9);
g) (22.32 - 52): 11 + 32.72 - 42;
b) 91 + 56:2 +33 (156 - 12. 13);
d) 1 000 - [105:5+32:22-6-3)];
f) 01 +1° + 23 – 32 + 45 + 54 – 349;
h) (59 +51 +52 +53 +54): (71-5+6.71).​

Answer 1

Răspuns:

a)7+3×[23+5 ×(8+66:6)]

7+3×[23+5 ×(8+11)]

7+3×(23+5 ×19)

7+3×(23+95)

7+3×118

7+354=361