Question

9 Calculează:
a. 12 x 10 : 4 + (180 - 20):8 + (202 : 2 + 33 x 3) : 100;
b. (9 x 7 + 7 x 8) x 4 - (404 : 4 + 44 : 4): 2;
c. 1 000 - (250 : 2 + 25 x 3) x 3 - (25 + 15 x 5) x 4;
d. 23 x (157 - 24 x 6 - 477: 3 - (22 + 220 : 2);
e.135 + 5 000 : (1 355 - 355) + 3 (40 + 8 : 2);
f. 36 +0: (125 x 25 – 225 x 25) + 33 x 3-33:3+3:3;
g. 909 - 909 < (102 - 909 : 9 + 0 : 1) - 99 x (9x9:9-9);
h.3 x (6 - 6:2) + 305 : 5+ (100 : 5 + 8 x 5 x0): 5;
i. 138 + (27:3-1) 2:8-2 x (100 - 195 : 3) x 2;
î. 7 + 7:7 (7-7: 7) 7:7;
j. (202 : 2 + 101 ~ 2):3-2 (2-2:2);
k. 36 + 8 x (100 – 47 - 53 + 2 x 18) : (13 - 36:9);
1. 1000 : (74 + 26) + 100 x (8 + 2) - (2 x 286 + 2 x 214);
m. 425: (600 - 595) - (81: 9 + 71 x 1) + (4 x 11 - 66: 2);
n. 35 + 1 000: (1 533 - 533) + 3 < (40 +8:2);
0.550 : 10 + 20 (81 : 9 + 9) - 20: (6 x 7 - 11 x 2);
p. 82 + 9 x (5 x 5-5): (5 + 5 x 5 - 4x 5): (9-81 : 9 + 90 : 10);
q. 15 - 3x6:03 x 33:3+0:5) + 30: (3:3 + 5).
DAU COROANA ​

Answer 1

Răspuns:

a)

calculati inpartirea

30+60×8+601+33×

inmultesti

30+480+601+33×

calculati suma

1111+33×=1144

b)

(63+56)×4_(101+11)×2

calculati

119×4-112×2

inmultiti

476-224=252