=1) 90,21:5=18.042 73,17*8=585.36 52,22:1,6=32.6375 43,7:0,4=109.25 18.042+585.36=603.402 603.402-32.6375=570.7645 570.7645+109.25=680.0145 2)315,94+17,54=333.48 109,967+160,477=270.444 270.444:3.72=72.7 333.48-270.444=63.036 63.036-1901=61135
спасибооооо