人教版五上数学

×0.7＝0.084

×0.5＝0.035

0.5×＝1.7

×0.01＝0.0009

0.01×＝0.047

×0.1＝0.36

0.16×＝0.4

×0.6＝0.27

0.17×＝0.034

×0.4＝0.52