
4.28-1.75+(5.62-4.25)怎样简便运算?
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4.28-1.75+(5.62-4.25)怎样简便运算?
=4.28-1.75+5.62-4.25
=4.28+5.62-(1.75+4.25)
=9.9-6
=3.9
望采纳 谢谢~~
=4.28-1.75+5.62-4.25
=4.28+5.62-(1.75+4.25)
=9.9-6
=3.9
望采纳 谢谢~~
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4.28-1.75+(5.62-4.25)
=4.28-1.75+5.62-4.25
=(4.28+5.62)-(1.75+4.25)
=9.9-6
=3.9
=4.28-1.75+5.62-4.25
=(4.28+5.62)-(1.75+4.25)
=9.9-6
=3.9
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运用交换律运算
原式=4.28+5.62-(1.75+4.25)
=9.9-6
=3.9
原式=4.28+5.62-(1.75+4.25)
=9.9-6
=3.9
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你对这个回答的评价是?
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4.28-1.75+(5.62-4.25)
=4.28-1.75+5.62-4.25
=4.28+5.62-(1.75+4.25)
=9.9-6
=3.9
=4.28-1.75+5.62-4.25
=4.28+5.62-(1.75+4.25)
=9.9-6
=3.9
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你对这个回答的评价是?
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4.28-1.75+(5.62-4.25)
=4.28-1.75+5.62-4.25
=4.28+5.62-1.75-4.25
=9.9-(1.75+4.25)
=9.9-6
=3.9
=4.28-1.75+5.62-4.25
=4.28+5.62-1.75-4.25
=9.9-(1.75+4.25)
=9.9-6
=3.9
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你对这个回答的评价是?
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