- \(2.4-5.36+0.84-3.24=-5.36\).
- \(-16.54-9.31-11.27+23.38=-13.74\).
- \(5\frac37-2\frac13+3\frac7{15}=\frac{80}{15}+\frac{45}{15}-\frac{35}{15}+\frac{52}{15}=\frac{142}{15}=9\frac7{15}\).
- \(3\frac59-2\frac14+4\frac56-5\frac23=\frac{64}{18}-\frac{81}{36}+\frac{174}{36}-\frac{204}{36}=\frac{17}{18}\).
- \(-3.27-4.84+6.51-2.64+7.65=3.41\).
- \(\frac56-\frac59+\frac13+\frac{11}{18}=\frac{15-10+6+11}{18}=\frac{22}{18}=1\frac29\).
- \(-4\frac58-6\frac5{24}+5\frac7{16}=-\frac{148}{32}-\frac{301}{48}+\frac{87}{16}=-\frac{211}{48}=-4\frac{19}{48}\).
- \(3.1-4.72-8.12+0.96=-8.78\).
- \(-18.31-6.27-8.44+31.67=-1.35\).
- \(6\frac5{12}+4\frac23-2\frac34=\frac{77}{12}+\frac{56}{12}-\frac{33}{12}=\frac{100}{12}=8\frac13\).
- \(4\frac58-6\frac29-5\frac16+3\frac34=\frac{111}{24}-\frac{149}{24}-\frac{124}{24}+\frac{90}{24}=-\frac{72}{24}=-3\).
- \(2\frac56-3\frac18+2\frac7{12}+4\frac34+1\frac23=\frac{68-75+62+114+40}{24}=\frac{209}{24}=8\frac{17}{24}\).
Ответ: а) −5,36; б) −13,74; в) 9 7/15; г) 17/18; д) 3,41; е) 1 2/9; ё) −4 19/48; ж) −8,78; з) −1,35; и) 8 1/3; й) −3; к) 8 17/24.