直接写得数. 4.5+7.6= 9-0.18= 0.9×9= 3.6÷9= 0.2×3.3= 1÷0.25= 0÷5.4= 3.89×0=
直接写得数.4.5+7.6=9-0.18=0.9×9=3.6÷9=0.2×3.3=1÷0.25=0÷5.4=3.89×0=7.25+2.75=10.8-8=2.5×4=8...
直接写得数. 4.5+7.6= 9-0.18= 0.9×9= 3.6÷9= 0.2×3.3= 1÷0.25= 0÷5.4= 3.89×0= 7.25+2.75= 10.8-8= 2.5×4= 80÷0.1=
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