(54 + a) : 2 = 40
54 + a = 40 × 2
54 + a = 80
a = 80 - 54
a = 26
(18 + b) : 3 = 30
18 + b = 30 × 3
18 + b = 90
b = 90 - 18
b = 72
(c + 74) : 4 = 20
c + 74 = 20 × 4
c + 74 = 80
c = 80 - 74
c = 6
(7 + d) : 5 = 10
7 + d = 10 × 5
7 + d = 50
d = 50 - 7
d = 43
(24 + e) : 3 = 30
24 + e = 30 × 3
24 + e = 90
e = 90 - 24
e = 66
820 : 4 - f = 148
205 - f = 148
f = 57
600 : 60 + g = 60
10 + g = 60
g = 60 - 50
g = 10
h - 640 : 2 = 507
h - 320 = 507
h = 507 + 320
h = 827
i + 707 : 7 = 416
i + 101 = 416
i = 416 - 101
i = 315
j + 999 : 9 = 902
j + 111 = 902
j = 902 - 111
j = 791
Sper că te-am ajutat!
