40 : 8 + 2 * 100 = 205
1) 40 : 8 = 5
2) 2 * 100 = 200
3) 5 + 200 = 205
40 * (8 + 2) * 100 = 40 000
1) 8 + 2 = 10
2) 40 * 10 = 400
3) 400 * 100 = 40 000
600 : 100 + 50 * 10 = 506
1) 600 : 100 = 6
2) 50 * 10 = 500
3) 6 + 500 = 506
(40 : 8 + 2) * 100 = 700
1) 40 : 8 = 5
2) 5 + 2 = 7
3) 7 * 100 = 700
100 - (40 + 36) : 4 = 81
1) 40 + 36 = 76
2) 76 : 4 = 19
3) 100 - 19 = 81
(100 - 40 + 36) : 4 = 24
1) 100 - 40 = 60
2) 60 + 36 = 96
3) 96 : 4 = 24
100 - (40 + 36 : 4) = 51
1) 36 : 4 = 9
2) 40 + 9 = 49
3) 100 - 49 = 51
900 : 9 - 6 * 10 = 40
1) 900 : 9 = 100
2) 6 * 10 = 60
3) 100 - 60 = 40
70 * 5 + 3 * 100 = 650
1) 70 * 5 = 350
2) 3 * 100 = 300
3) 350 + 300 = 650
