Ответ:
(60-х)+31=48
60-х=48-31
60-х=17
х=60-17
х=43
(60-43)+31=48
48=48
93-(41+×)=48
41+×=93-48
41+×=45
×=45-41
×=4
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Ответ:
(60-х)+31=48
60-х=48-31
60-х=17
х=60-17
х=43
(60-43)+31=48
48=48
93-(41+×)=48
41+×=93-48
41+×=45
×=45-41
×=4
93-(41+×)=48
48=48