numeros naturales

2. 8X(5+9X3)+25-1(5X5+10)
8X(5+27)+24(25+10)
8X32+24(35)
256+24X35
256+840
1096.

3. 58X2+(23-18)3+5/2+47
116+(5)8/2+47
116+40/2+47
116+20+47
136+47
183.

4. 343/7(15-8)/7X7+582
49(7)/7X7+582
343/7X7+582
343/49+582
7+582
589.

5. 81/9+5x3+20-36(58-18)
9+5x3+20-36(40)
9+15+20-36(40)
24+20-36(40)
40-36(40)
4x40
160.

6. 2+18/2(5+3+8+9)-45
2+18/2(8+17)-45+18
2+9(25)-63
11x25-63
275-63
212.

7. 99/11+9/3x4/3x8/8
9+9/3x4/3x8/8
18/3x4/3x8/8
6x4/3x8/8
24/3x8/8
8x8/8
64/8
8.

8. 4+4+4+4(6+3-5)x8
8+8(9-5)x8
16(4)/8
64/8
8.

9. 789-89/100x7/2-4
700/100x8/2-4
7x8/2-4
56/2-4
28-4
24.

10. 456/2x5-9+36-12+14
228x5-9+24+14
1140-9+38
1131+38
1169.

11. 456x2/2+369-
32+63
456x1+369-95
456+274