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6.71*0.52+4.8*0.67
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6.71*0.52+4.8*0.67
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答案和解析
6.7*0.52+4.8*0.67
=0.67*5.2+4.8*0.67
=0.67*(5.2+4.8)
=0.67*10
=6.7
=0.67*5.2+4.8*0.67
=0.67*(5.2+4.8)
=0.67*10
=6.7
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