Question

răspuns va rogggggggg​

Answer 1

Explicație pas cu pas:

23°14'+10°33'=33°47'

34°18'+18°52'=43°10'

19°39'-7°22'=12°17'

71°23'-63°29'=7°54'l

(41°2')•3=123°6'

(21°31')•5=107°35'

(9°39'):3=3°13'

(28°48'):6=4°8'