Exerciții

1. 1000 - ( 250:2 + 25 X3 ) X 3 - ( 25 + 15 X5) X 4 =
2. 23 X ( 157 - 24 X 6 ) - 477 : 3 - ( 22 + 220:2) =
3. 138 + ( 27 :3 - 1) X 2:8 - 2 X ( 100 - 195 : 15 ) X 2 =
4. 36 + 8 X ( 100 - 47 - 53 + 2 X 18 ): ( 13 - 36 : 9) =
5. 550 : 10 + 20 X ( 81 : 9 + 9 ) - 20: ( 6 X 7 - 11 X 2) =
6. 82 +9 X (5 X 5-5):(5+5X5 – 4 X 5):(9-81:9 + 90:10 ) =
Х
X
8.1+3x[3+8x(7-3) +3x (5+1)] =
9.[55x5-(199 – 99x2 +2005) +220:10]:4=
10.4+4 x[34+48 (457 -76x6)]:(44:4 -3) =
= =
1. (9x8 +13): [5x4: (3+2) +1] =
12. [2 x 16:4+12:4 x(24:6 +2x100:400)] :
(200:2: 100)
13. 90+[(45–34) < (56:8-7)]:40 43 *
(56-8xG) =​