1) х-8 8/19=3 8/19
х=3 8/19+8 8/19
х=11 16/19
2)z-24/12-18=0
z-2-18=0
z=20
3)х/23=7
х=161
Х+5х=84
6х=84
х=84/6
х=14
14*5=70
ответ 70 и 14
<span>x < 3,
х </span><span>Є (-</span>∞; 3)
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ВЛОЖЕНИЕ!!!
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(1) 60×9= 540
700- 540= 160
(2) (5×90)+(6×9)=
5×90= 450
6×9= 54
450+ 54= 504
(3) 40×9= 360
81:9= 9
360- 9= 351