Ответ:
\(347-108=347-100-8=247-8=239\).
\(902-555=902-500-55=402-55=347\).
\(807-438=807-400-38=407-38=369\).
\(604-88=604-80-8=524-8=516\).
Ответ: 239; 347; 369; 516.
\(347-108=347-100-8=247-8=239\).
\(902-555=902-500-55=402-55=347\).
\(807-438=807-400-38=407-38=369\).
\(604-88=604-80-8=524-8=516\).
Ответ: 239; 347; 369; 516.