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(4.5++2.7)+÷6x1.75的简便方法?
1个回答
展开全部
简便方法如下:
(4.5+2.7)÷6×1.75
=7.2÷2÷3×1.75
=3.6÷3×1.75
=1.2×1.75
=0.6×2×1.75
=0.6×3.5
=2.1
(4.5+2.7)÷6×1.75
=7.2÷2÷3×1.75
=3.6÷3×1.75
=1.2×1.75
=0.6×2×1.75
=0.6×3.5
=2.1
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