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简介:
1.138-89= 2.840÷40=
3.5400÷54= 4.0.125×100=
5.200×34= 6.8÷100=
7.550-450= 8.2.3+3.6=
9.18000÷600= 10.0.28+0.12=
11.2700÷30= 12.7.3+2.7=
13.45×14= 14.7.5-3.4=
15.89÷100= 16.1-0.35=
17.0.82+0.08= 18.3.6÷10=
19.73×1= 20.5.6+2.3+0.7=
21.0.63×10= 22.5×17×2=
23.4÷10= 24.154-73-27=
25.17÷1000= 26.1000×25=
27.0.56+0.4= 28.24×0÷12=
29.80×25= 30.7.06×100=