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4.9➗1.25✖️8怎么算?
2个回答
展开全部
4.9➗1.25✖️8
=4.9➗(10/8)✖️8
=4.9➗5/4✖️8
=4.9 ✖️ 4/5✖️8
=4.9✖️0.8✖️8
=4.9✖️6.4
=(5-0.1)✖️6.4
=5✖️6.4-0.1✖️6.4
=32-0.64
=31.36
=4.9➗(10/8)✖️8
=4.9➗5/4✖️8
=4.9 ✖️ 4/5✖️8
=4.9✖️0.8✖️8
=4.9✖️6.4
=(5-0.1)✖️6.4
=5✖️6.4-0.1✖️6.4
=32-0.64
=31.36
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