Question

ET
11 Calculează, respectând regulile învățate.
a. 12 x 10:4+ (190 - 30): 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) * 3 - (25 + 15 x 5) x 4
2.23 (157 - 24 x 5) 477:3 - (22 +220:2)
e. 135 + 5 000:1 385-385) + 3 x (40 + 8:2)
f. 36 +0: (125 x 25 - 25 x 25) + 33 x 3-33: 33 + 33:3
g. 909 - 909 x (102 -909:9 +0:1) - 99 x (9 x 9:9-9)
h.3x (6 - 6:2) + 305:5+ (100:5+ 8 x 5 x 0): 5
1. 138 + (27:3-1) 2:8-2 x (100 - 195:15) x 2
-1.7+7:7*(7-7:7) 7:7
alla (202:2 +101 2):3 -2 * (2-2 : 2)
k. 36 + 8 x (100 - 47-53 +2 x 18): (13 - 36:9)
PART 1.1000: (74 +26) + 100 (8 + 2) - (2 x 286 + 2 * 214)
m. 425 :(600 - 595) - (81:9 + 71 x 1) + (4 x 11 - 66: 2)
n.35 + 1 000: (15 x 25 - 25 x 25) + 3 (40 +8:2)
0.550 : 10 + 20 (81:9 + 9) - 20:(6 x 7-11x2)
p. 82 + 9 x (5 x 5 - 5): (5 + 5 x 5 - 4x 5):(9-81:9 + 90:10)
q. 15 -3 6:(3 3 x 3:3 +0:5) + 30:03:3+5)
12 Rezolvă exerciţiile urmatoar​

Answer 1

Răspuns:

12×10:4+160:8+(101+99):100=12×10:4+200:100=120:4+2=120:4+2=30+2=32

b. (63+56)×4-(101+11):2=109×4-122:2=436-111=325