Respuestas
Respuesta:
1. 720 : 8 + - 3 x = 70
90 + 4 - 3 x 8 = 70
90 + 4 - 24 = 70
94 - 24 = 70
2. + 6 x - 4 x + 55 : 11 + 7 x 4 = 31
8 + 6 x 1 - 4 x 4 + 5 + 28 = 31
8 + 6 - 16 + 5 + 28 = 31
14 - 16 + 33 = 31
-2 + 33 = 31
3. { + [ 1530 : - ( 15 : ( 8 - 3 ) ) - 50 ] + 100 } = 584
{27 + [ 1530 : 3 - ( 15 : 5 ) ) - 50 ] + 100 } = 584
{27 + [ 510 - 3 - 50] + 100 } = 584
{27 + [ 510 - 53 ] + 100 } = 584
{27 + 457 + 100 } = 584
{ 484 + 100 } = 584
4. 40 + ( +9 - 18 + 36 -7 ) + ( 25 + 42 - 13 ) - 14 = 100
40 + ( -9 + 29 ) + ( 67 - 13 ) - 14 = 100
40 + 20 + 54 - 14 = 100
60 + 40 = 100
5. 8 + { 7 + [ 15 x ( 9 - 6 + 1 ) + ( 3 x 4 ) - 17 ) ] } + ( 25 - 5 + 1 ) = 91
8 + { 7 + [ 15 x 4 + 12 - 17 ) ] } + 21 = 91
8 + { 7 + [ 60 + 12 - 17 ) ] } + 21 = 91
8 + { 7 + [ 72 - 17 ) ] } + 21 = 91
8 + { 7 + 55 } + 21 = 91
8 + 62 + 21 = 91
70 + 21 = 91