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(0.2+6.37/0.7)*0.5简算
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(0.2+6.37/0.7)*0.5简算
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(0.2+6.37/0.7)*0.5
=(0.2+9.1)÷0.5
=9.3÷0.5
=18.6
=(0.2+9.1)÷0.5
=9.3÷0.5
=18.6
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