口算下面各题.0.7×O.9= 0.14×0.3= 3.2×0.3= 0.16×0.5= 7×0.08= 1.8×0.04= 60×0.5= 0.24
口算下面各题.0.7×O.9=0.14×0.3=3.2×0.3=0.16×0.5=7×0.08=1.8×0.04=60×0.5=0.24×3=7.7×0.03=0.12×...
口算下面各题.0.7×O.9= 0.14×0.3= 3.2×0.3= 0.16×0.5= 7×0.08= 1.8×0.04= 60×0.5= 0.24×3= 7.7×0.03= 0.12×6= 2.1×4= 0.15×0.4=
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