
1.8+1.8÷1.5-0.5×0.3可以简便计算吗,
1个回答
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1.8+1.8÷1.5-0.5×0.3
=1.8+(6×0.3)÷(5×0.3)-0.15
=1.8+6×0.3÷5÷0.3-0.15
=1.8+(6÷5)×0.3÷0.3-0.15
=1.8+1.2-0.15
=3-0.15
=2.85
(望采纳,谢谢)
=1.8+(6×0.3)÷(5×0.3)-0.15
=1.8+6×0.3÷5÷0.3-0.15
=1.8+(6÷5)×0.3÷0.3-0.15
=1.8+1.2-0.15
=3-0.15
=2.85
(望采纳,谢谢)
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