A = 1271 + 8729 = 10000
D = 308 * 74 = 22792
276m - (172m + 14m) = 276m - 186m = 90m
26z + (13z - 5z) + z = 26z + 8z + z = 35z
42x + 45 + 8x + 45 = 50x + 90
204b + 30b + 6b + 56 = 240b + 56
A = 1271 + 8729 = 10000
D = 308 * 74 = 22792
276m - (172m + 14m) = 276m - 186m = 90m
26z + (13z - 5z) + z = 26z + 8z + z = 35z
42x + 45 + 8x + 45 = 50x + 90
204b + 30b + 6b + 56 = 240b + 56