Question

1. Efectuează:
a) 8:8x8+8x8-8=
b) 3 273-[(9x9:9+6x6:6):5+8x4]:7=
c) 100 (25 x 5-6x7+17): 10×9=
d) (11 111 +22 222 +33 333 +44 444) : (5 + 5) =
e) (3 x 3+3:3+6x8:8)+(55:5+4-33:3+2)+88:8x8+8:8=
f) (72:9+6x 5+ 36:6): [(72:4+8x9)-5 × 10 +4] =
g) 40+3x {36:9+3 x [50+ 3x (400:8-98: 2)]} =
h) (53 624:4+ 23 456:2)-236 × 12:8=
C
i) [984:8-455:7+(11 x 63 x 9-4x5x13)]: 5 + 6 x 100 =
j) (925-13 x 15):2+ {[564 +128-64:2+73 x 2-(93:3+24:2)- 5x11]-50x2} =
k) 2 712:6+ [136 x 75- (324:4:9x3+45) + 246 - 123:3] =
1) 500: [30: (6x4-9x2)+339:3-124:4+
5×2+3] =

Answer 1

Răspuns:

a) 128 b) 1274 c) 500 d) 22222 e) 128 f) 10 g) 8200 h) 6076 i) 120 j) 342 k) 1162 l) 20