Question

498. Efectuează:
a) [25 x 11 + (4 x 25 x 6-5x 75)] : 10:5;
b) 2 + 2 * 3 * [(3x 8-6*4): 24 + 24 x 6] – 8;
c) [(22 14:2-54:3): 8 + 27 * 3] : 2-16 * 3;
d) [(25 16:4+4 179): 8 + 32 x 6] : 2 - 48 * 3;
e) 802-606:6+ [440 : 4 + 2 * (888:8 +3 x 30));
f) 5 [40 + 8 (200:5-72:2)] : (14 x 10:4+ 5);
g) 200 - 5* ((720:10:9 + 360:10: 6) + 30 : 6 x 2];
h) 19 + 19 (125 + 7 (12 + 15 x 3) - 28 x 2] - 100 x 10;
1) (560: 7 + 4 90 + 56 x 0) : [(720:9): (450 : 45) x 11] +96;
j) 6x (36 9 + 165:3) - [2 484 - 4 (54:9 + 360 :4)] : 10;
k) (35 x 35 - (1 000 - 3 600 : 6-600:6)] :(86 + 210 : 15 – 3 x 25);
L) [7 350:3-(1 860 + 4 580 : 2 - 600 x 6)] : (1 765-9 166 - 171);​ Va rog rapid dar vreau doar ultima dau coroana!!!

Answer 1

Răspuns:

a) [25 x 11 +(4 x 25 x 6-5 x 75)] : 10:5=

[25 x 11 + (  100 x 6-375)]:10:5=

[25x11+(600-375)]:10:5=

[25x11+225]:10:5

[275+225]:10:5=

500:10:5

50:5=10

Wait iti trimit si pe b) dar til trimit mai intai pe a)