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(67x+78y+46z)*101
(2z+7+6t)*7+4*(2z-1-5t)
(47000a-9300b+7800):100
(67x+78y+46z)*101
(2z+7+6t)*7+4*(2z-1-5t)
(47000a-9300b+7800):100
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а) ... = 67*101*х + 78*101*у + 46*101*z= 6767х + 7878у + 4646z
б)... = 2z*7 + 7*7 + 6t*7 + 2z*4 - 1*4 - 5t*4 = 14z + 49 + 42t + 8z - 4 - 20t =
= 14z + 49 + 42t - 8z - 4 - 20t = 6z + 22t + 45
в) ... = 47000a : 100 - 9300b : 100 + 7800 : 100 = 470а - 93b + 78