Найди корни уравнений: x•60+260=800; 900-y•90=90; 450+c÷8=500; 7200÷d+3100=4000
203
203
Ответы на вопрос:
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
48х30=(48-х)х(30+6)
1440=(48-х)х36
48-х=1440: 36
48-х=40
х=48-40
х=8
48-8=40м-длина второго участка: з
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