直接写得数.3-0.47=÷=0.24×50=2-2÷7=8.4÷0.7=0.32=1.25×9×8=80×25%=-=(+)×72=

发布时间:2020-08-08 19:18:18

直接写得数.
3-0.47=÷=0.24×50=2-2÷7=8.4÷0.7=0.32=1.25×9×8=80×25%=-=(+)×72=

网友回答

解:3-0.47=2.53,÷=,0.24×50=12,2-2÷7=1,8.4÷0.7=12,0.32=0.09,1.25×9×8=90,80×25%=20,-=,(+)×72=85.故
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