(0.75+0.2)/0.25*25% 12/0.75+7.2/2.4
605*8+3.5-44 10.9-(6.6+0.125/12.5%)
980-9.8)*0.6-2.12 (0.125*8-0.5)*4
1+0.45/0.9-0.75 168.1/(4.3*2-0.4)
1.21*42-(4.46+0.14) 1375+450/18*25
18/1.5-0.5*0.3
1.9-1.9*(1.9-1.9)
(0.75+0.2)/0.25*25% 12/0.75+7.2/2.4
605*8+3.5-44 10.9-(6.6+0.125/12.5%)
980-9.8)*0.6-2.12 (0.125*8-0.5)*4
1+0.45/0.9-0.75 168.1/(4.3*2-0.4)
1.21*42-(4.46+0.14) 1375+450/18*25
18/1.5-0.5*0.3
1.9-1.9*(1.9-1.9)