1.. (129 x 55) + 22 : 4 =
2.. [ (13 x 11 + 5) - 12] x 4 =
3.. 554 +128 - 285 : 3 =
4.. 125 + 15 - 55 x 2 - (12 + 8 - 3) =
5.. 546 - 223 x 25 + 575 x 19 =
6.. (65 x 25) x 12 - 85 + 44 =
7.. 64 : 8 - 13 x 1 +111 (65 + 55) =
8.. 434 - 55 x 8 - 5 + 658 x 13 - 8=
9.. 765 + 558 - 332 + 88 x 12 x 12 =
10.. 12 x 5 - 3 x 11 x 16 : 12 =
11.. (19 + 123 - 18) x 12 + (15 -3)=
12.. [(65 + 78 + 22 x 15 + 12 x 8) + 18 x 2 - 4 x 3 } =
13.. {[34 + 21 - 8 - ( 88 + 36 - 5) ] 45 x 35 : 7 } =
14.. 345 + 212 - 55 + 15 x 13 : 5 =
15.. (125+ 58)³ + (55 + 12) - 15 =
16.. (5 + 4 - 2 )² + 12 x 5 : 60 =
17.. 90 + 55 + 54 - 83 x 12 : 6 =
18.. 230 + 22 - 15 x 5 + 42 : 3 =
19.. 92 x (123 - 55) x 2 =
20.. 667 - 123 + 55³ =
Respuestas a la pregunta
1.. (129 x 55) + 22 : 4 =1779,25
2.. [ (13 x 11 + 5) - 12] x 4 =544
3.. 554 +128 - 285 : 3 =132,33
4.. 125 + 15 - 55 x 2 - (12 + 8 - 3) =153
5.. 546 - 223 x 25 + 575 x 19 =164350
6.. (65 x 25) x 12 - 85 + 44 =19459
7.. 64 : 8 - 13 x 1 +111 (65 + 55) =13315
8.. 434 - 55 x 8 - 5 + 658 x 13 - 8=47897
9.. 765 + 558 - 332 + 88 x 12 x 12 =155376
10.. 12 x 5 - 3 x 11 x 16 : 12 =836
11.. (19 + 123 - 18) x 12 + (15 -3)=1500
12.. [(65 + 78 + 22 x 15 + 12 x 8) + 18 x 2 - 4 x 3 } =119472
13.. {[34 + 21 - 8 - ( 88 + 36 - 5) ] 45 x 35 : 7 } =16200
14.. 345 + 212 - 55 + 15 x 13 : 5 =1344,2
15.. (125+ 58)³ + (55 + 12) - 15 =6128539
16.. (5 + 4 - 2 )² + 12 x 5 : 60 =5,0833
17.. 90 + 55 + 54 - 83 x 12 : 6 =232
18.. 230 + 22 - 15 x 5 + 42 : 3 =409
19.. 92 x (123 - 55) x 2 =12512
20.. 667 - 123 + 55³ =166919