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1.08x0.8÷0.27脱式计算过程

原式 =(1.08÷0.27)x0.8 =4x0.8 =3.2

见图

1.08x0.8÷0.27 =0.864÷0.27 =3.2

5.64+19.25+4.36+4.75 =(5.64+4.36)+(19.25+4.75) =10+24 =34

8.7-5.69+2.03 =8.7-5.7+0.01+2.03 =3+0.01+2.03 =5.04

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