- \((17.23+16.37)-(9-6.328)=33.6-2.672=30.928\).
- \((12\frac3{13}-4\frac7{13})-(1\frac5{13}+3\frac{11}{13})=8\frac9{13}-5\frac3{13}=3\frac6{13}\).
- \((16\frac5{11}+5\frac6{11})\cdot3.245=22\cdot3.245=71.39\).
- \((4.8-3.762):0.06=1.038:0.06=17.3\).
- \((3.47+3.46)(3.47-3.46)=6.93\cdot0.01=0.0693\).
- \((6.3-4.2):(6.3+4.2)=2.1:10.5=0.2\).
Ответ: 1) 30,928; 2) 3 6/13; 3) 71,39; 4) 17,3; 5) 0,0693; 6) 0,2.