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4.78+0.22*26/11怎样简便运算?
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4.78+0.22*26/11
=4.78+0.22/11*26
=4.78+0.02*26
=4.78+0.52
=5.3
望采纳,谢谢
=4.78+0.22/11*26
=4.78+0.02*26
=4.78+0.52
=5.3
望采纳,谢谢
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运用加法结合律进行简便运算
4.78+0.22*26/11
= 4.78+0.52
= 4.78+0.22+0.3
= 5+0.3
= 5.3
4.78+0.22*26/11
= 4.78+0.52
= 4.78+0.22+0.3
= 5+0.3
= 5.3
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先将0.22与11约分,即把原式化为4.78+0.02×26,再进行口算即可,4.78+0.52=5.3
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原式=4.78+0.22x26/11
=4.78+22/100x26/11
=4.78+2/100x26
=4.78+52/100
=4.78+0.52
=5.3
=4.78+22/100x26/11
=4.78+2/100x26
=4.78+52/100
=4.78+0.52
=5.3
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4.78+0.22*26/11
=4.78+0.02*26
=4.78+0.52
=5.30
=4.78+0.02*26
=4.78+0.52
=5.30
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