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78.6 11 坚式

7.145454545

约等于7.15

78.6*1/11

78.6÷11=7.1454545…

78.6÷11=7.145;78.6÷11=7.145;15.2÷4=3.8;25.84÷1.7=15.2;47.04÷1.4=33.6;0.196÷0.56=0.35;5.7÷9=0.6338.2÷2.7=14.148.

78.6÷11=7.1? 4 ? 5 ;78.6÷11=7.1? 4 ? 5 ;15.2÷4=3.8;25.84÷1.7=15.2;47.04÷1.4=33.6;0.196÷0.56=0.35;5.7÷9=0.6? 3 38.2÷2.7=14.? 1 4? 8 .

(1)1.25÷0.25=5(2)8.4÷0.56=15(3)8.54÷0.7=12.2验算:(4)78.6÷11=7.145(5)5.63÷7.8≈0.72

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