-786 - 94 + 164 = -716
-0,17 + 1,2 - 5,43 = -4,4
16,98 - 9,45 + 1,03 = 8,56
1) 47*632+632*53 = 632*(47+53)=<span>632*100=63200
2) </span><span>598*49-597*49=49*(598-597)=49*1=49
3) </span><span>754*324-754*314=754*(324-314)=754*10=7540
4) </span><span>37*46-18*37+37*72=37*(46-18+72)=37*(118-18)=37*100=3700</span>