用简便方法计算。

⑴15﹣0.3=	⑵6﹣0.5=	⑶3.9+12.1=	⑷2.13+14=	⑸0.91+1.25=
⑹10﹣0.76=	⑺3.99﹣0.9=	⑻0.567+4.44=	⑼0.37+0.6=	⑽7.46+2.54=
⑾1﹣0.08=	⑿45.9+1=	⒀6.87﹣3.25=	⒁0.25+0.75=	⒂0.78+0.22=
⒃6.1﹣5.7=