69.12÷3.6+69.12÷6.435×0.5+65÷2-查字典问答网
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  69.12÷3.6+69.12÷6.435×0.5+65÷20.96×9.9+0.96×0.1(61.2-61.2×0.9)÷0.257.89-(3.27+2.89)(52.9-3.3)÷(80×0.25)

  69.12÷3.6+69.12÷6.435×0.5+65÷20.96×9.9+0.96×0.1

  (61.2-61.2×0.9)÷0.257.89-(3.27+2.89)(52.9-3.3)÷(80×0.25)

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2020-05-3120:37
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陈恒军

  69,12÷(3.6+6.4)=6.912(35+65)X0.5=500.96x(0.9+0.1)=0.96

  [61.2-(1-0.9)]x4=24.487.89-2.89-3.27=1.7349.6÷20=2.98

2020-05-31 20:38:55
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