(9+1+4)*3=42
(4+7+5)*3=48
(3+8+х)*3=36
11+х=36:3
11+х=12
х=12-11
х=1
ответ: 1
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(9+1+4)*3=42
(4+7+5)*3=48
(3+8+х)*3=36
11+х=36:3
11+х=12
х=12-11
х=1
ответ: 1