Question

1) 1000 - [(2 x 4 - 6) + ( 2 + 6 x 4)] =
2) 80 - 5x ( 28 - 6 x 4 ) + 6 - 3 x 4 =
3) 67 + {50 x [ 70 : ( 27 + 8) + 18: 2 ] + 21 } =
4) (30 x ( 9-6)] + { 30 : (9+6) 1 =
5) 58 - [ 20 - (3 x 4 - 2) : 5 ) =
6) 40 + 2 x [ 20 -(6 + 4 x 7): 2 ] =
7) [6 x ( 3 x 4 - 2 x 5 ) – 4 ] + 3 x ( 4 - 2 ) - (10: 2 ) =
8) 180 : {10 + 2 x [ 20 - 45 :( 13 - 2 x 5)]} =​

Answer 1

1:972

2:54

3:638

4:92

5:40

6:46

7:9

8:9

espero ajudar!!