g. 41-5×{[6-3×(a-48:4):9]×4-45:9-35:5}=1
41-5×{[6-3×(a-12):9]×4- 5 - 7}=1
5×{[6-3×(a-12):9]×4- 5 - 7}= 41- 1
5×{[6-3×(a-12):9]×4- 5 - 7}=40
{[6-3×(a-12):9]×4- 5 - 7}=40: 5
[6-3×(a-12):9]×4- 5 - 7= 8
[6-3×(a-12):9]×4- 5 =8+ 7
[6-3×(a-12):9]×4- 5 = 15
[6-3×(a-12):9]×4 = 15+ 5
[6-3×(a-12):9]×4 = 20
[6-3×(a-12):9] = 20: 4
6-3×(a-12):9 = 5
3×(a-12):9 = 6- 5
3×(a-12):9 = 1
3×(a-12) = 9·1
3×(a-12) = 9
a- 12 = 9: 3
a- 12 = 3
a = 3+12
a =15
h. [32· 18 - 10·(105- 54: a)]: 11 - 36: 9+ 40: 8= 7
[32· 18 - 10·(105- 54: a)]: 11 - 36: 9+ 40: 8= 7
[576 - 10·(105- 54: a)]: 11 - 4+ 5= 7
[576 - 10·(105- 54: a)]: 11 - 4 = 7- 5
[576 - 10·(105- 54: a)]: 11 - 4 = 2
[576 - 10·(105- 54: a)]: 11 = 2+ 4
[576 - 10·(105- 54: a)]: 11 = 6
[576 - 10·(105- 54: a)] = 11·6
576 - 10·(105- 54: a) =66
10·(105- 54: a) = 576- 66
10·(105- 54: a) = 510
(105- 54: a) = 510: 10
105- 54: a = 51
54: a = 105- 51
54: a = 54
a = 54: 54
a = 1