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17.68/5.2+2.7*1.5
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17.68/5.2+2.7*1.5
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答案和解析
17.68/5.2+2.7*1.5
=(3.4*5.2)/5.2+(2.7*1.5*2/2)
=3.4+(2.7*3/2)
=3.4+4.05
=7.45
=(3.4*5.2)/5.2+(2.7*1.5*2/2)
=3.4+(2.7*3/2)
=3.4+4.05
=7.45
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