
1.6÷[2.5×(4.3-2.7)]简便计算?
2个回答
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简便计算:
1.6÷[2.5×(4.3-2.7)]
=1.6÷[2.5×1.6]
=1.6÷(2.5×4×0.4)
=1.6÷(10×0.4)
=1.6÷4
=0.4
1.6÷[2.5×(4.3-2.7)]
=1.6÷[2.5×1.6]
=1.6÷(2.5×4×0.4)
=1.6÷(10×0.4)
=1.6÷4
=0.4
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