(1400+1393,06+Х)/3=1169,355
1400+1393,06+Х=1169,355*3
1400+1393,06+Х=3508,065
х=3508,065-1400-1393,06
х=715,005.
(1400+1393,06+Х)/3=1169,355
1400+1393,06+Х=1169,355*3
1400+1393,06+Х=3508,065
х=3508,065-1400-1393,06
х=715,005.
1400+1393,06+Х=3*1169,355
х=3 508,065-1400+1393,06
х=715,005