Помогите математика 5 класс!
(х:16)*13+12=51,
15-72:(х-3)=9,
(24-360:х),*9=135.
Прошу очень надо!
(х:16)*13+12=51,
15-72:(х-3)=9,
(24-360:х),*9=135.
Прошу очень надо!
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1) (х:16) * 13 + 12 = 51х:16 *13 = 51-12
х:16*13 = 39
х: 16 = 39:13
х:16 = 3
х= 3*16
х=48
2) 15-72:(х-3)=9
72:(х-3)=15-9
72:(х-3)=6
х-3=72:6
х-3 = 12
х=12+3
х=15
3) (24-360:х)*9=135
24-360:х = 135:9
24-360:х=15
360:х = 24-15
360:х=9
х=360:9
х=40