Ответ:
- \(27:(3.4\cdot4.5)=27:15.3=\frac{90}{51}=\frac{30}{17}\).
- \(16:(3.2\cdot2)=16:6.4=2.5\).
- \(36:(4.4\cdot4.5)=36:19.8=\frac{20}{11}\).
- \(41:(17.5\cdot0.8)=41:14=\frac{41}{14}\).
- \(22:(4.4\cdot2.5)=22:11=2\).
- \(7:(12.5\cdot1.4)=7:17.5=0.4\).
- \((8.4+1.3):0.7=9.7:0.7=\frac{97}{7}=13\frac67\).
- \((4.4+0.3):6.6=4.7:6.6=\frac{47}{66}\).
- \((4.8-0.4):0.6=4.4:0.6=\frac{22}{3}=7\frac13\).
- \((8.8-0.8):4.4=8:4.4=\frac{20}{11}\).
- \((0.3\cdot7.5):0.5=2.25:0.5=4.5\).
- \((5.6\cdot0.3):0.8=1.68:0.8=2.1\).
- \(\frac14-\frac3{25}=\frac{13}{100}\).
- \(\frac15-\frac{27}{50}=-\frac{17}{50}\).
- \(\frac12-\frac9{25}=\frac{17}{50}\).
- \(\frac15-\frac34=-\frac{11}{20}\).
- \(\frac12-\frac{13}{50}=\frac6{50}=\frac3{25}\).
- \(\frac1{10}-\frac{23}{20}=-\frac{21}{20}\).
- \(\frac{14}{25}+\frac32=\frac{103}{50}=2\frac3{50}\).
- \(\frac94+\frac85=\frac{77}{20}=3\frac{17}{20}\).
- \(\frac{11}{5}+\frac{13}{4}=\frac{109}{20}=5\frac9{20}\).
- \(\frac1{10}+\frac{21}{50}=\frac{26}{50}=\frac{13}{25}\).
- \(\frac34+\frac7{25}=\frac{103}{100}=1\frac3{100}\).
- \(\frac4{25}+\frac{15}{4}=\frac{391}{100}=3\frac{91}{100}\).
Ответ: 1) 30/17; 2) 2,5; 3) 20/11; 4) 41/14; 5) 2; 6) 0,4; 7) 97/7; 8) 47/66; 9) 22/3; 10) 20/11; 11) 4,5; 12) 2,1; 13) 13/100; 14) −17/50; 15) 17/50; 16) −11/20; 17) 3/25; 18) −21/20; 19) 103/50; 20) 77/20; 21) 109/20; 22) 13/25; 23) 103/100; 24) 391/100.
