3.75-0.75*4=3-0.75*3=3*（1-0.75）=3*0.25=0.75
14.32-4.32+2.4=（14.32-4.32）+2.4=10+2.4=12.4
150/1.25=150/(5/4)=150*(4/5)=120
9.8*2.8+28*0.01=28*(0.98+0.01)=28*0.99=28*(1-0.01)=28-0.28=27.72
40.32÷24+69.2×8.4=1.68+581.28=582.96
50.9÷0.125=50.9*8=(50+0.9)*8=400+7.2=407.2
内容全部来源于网络收集，如有侵权，请联系网站删除：QQ：24596024