Экономический выбор сечения проводов и кабелей<br />осуществляется по формуле<img src="/close/store/examRes/%7BF70A31E9-E93F-4645-8AB5-EE7CA45C8E78%7D/var5.PNG" /><img src="/close/store/examRes/%7BF70A31E9-E93F-4645-8AB5-EE7CA45C8E78%7D/var3.PNG" /><img src="/close/store/examRes/%7BF70A31E9-E93F-4645-8AB5-EE7CA45C8E78%7D/var1.PNG" /><img src="/close/store/examRes/%7BF70A31E9-E93F-4645-8AB5-EE7CA45C8E78%7D/var2.PNG" /><img src="/close/store/examRes/%7BF70A31E9-E93F-4645-8AB5-EE7CA45C8E78%7D/var4.PNG" /> <img src="/img/25/e77636e5ed123a41b4fff3e1c7.png" />, <img src="/img/7c/36877d36154dc001b67f202e26.png" />, <img src="/img/d9/9ace9727d4d4716c7e5905fb54.png" />, <img src="/img/80/d38d0302ea6facc26613a5190b.png" />, <img src="/img/e4/51cf0d3ae3ec764418b15835d7.png" />