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《加減法估算》PPT課件 Free Resources Download
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"Estimation of Addition and Subtraction" PPT courseware
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2023-09-25 18:01:20
"Addition and subtraction estimation" PPT courseware
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2019-01-16 21:00:00
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"Addition and subtraction estimation" PPT courseware
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2019-02-17 07:00:00
"Estimation of Addition and Subtraction" Three-digit addition and subtraction PPT courseware
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"Estimation of Addition and Subtraction" Three-digit Addition and Subtraction PPT Courseware 3
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"Estimation of Addition and Subtraction" Three-digit Addition and Subtraction PPT Courseware 2
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"Oral Arithmetic Addition and Subtraction" PPT
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"Addition and Subtraction Calculation" PPT
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"Estimation of Addition and Subtraction" PPT courseware
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"Addition and subtraction estimation" PPT courseware
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2019-02-17 07:00:00
"Written Addition and Subtraction" PPT
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"Addition and subtraction estimation" PPT courseware
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2019-01-16 21:00:00
"Addition and subtraction estimation" PPT courseware
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"Check of Addition and Subtraction" PPT courseware for addition and subtraction within 10,000
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2023-10-05 09:40:53
"Checking of Addition and Subtraction" PPT courseware for addition and subtraction within 10,000
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2019-02-08 23:00:00
"Law of Addition" PPT courseware on the relationship between addition and subtraction and the law of addition
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2023-09-25 18:40:10
"Check of Addition and Subtraction" PPT courseware for addition and subtraction within 10,000 2
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"The relationship between addition and subtraction" PPT courseware on the relationship between addition and subtraction and the law of addition
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2023-09-25 18:04:26
"Check of Addition and Subtraction" PPT courseware for addition and subtraction within 10,000 3
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"Law of Addition" The relationship between addition and subtraction and the law of addition PPT courseware 2
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"Mixed Calculation of Fraction Addition and Subtraction" Fraction Addition and Subtraction PPT Courseware
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"Simple Calculation of Addition and Subtraction of Fractions" PPT Courseware of Addition and Subtraction of Fractions
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2023-10-05 09:39:23
"Simple Calculation of Addition and Subtraction of Fractions" PPT Courseware of Addition and Subtraction of Fractions
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"Adding and Subtracting Fractions" PPT courseware on adding and subtracting fractions
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"Addition Checking" PPT courseware for addition and subtraction within 10,000
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2019-01-16 01:00:00
"Check of Addition" PPT courseware for addition and subtraction within 10,000
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"Adding and Subtracting Fractions" PPT courseware on adding and subtracting fractions
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"Simple Calculation of Fraction Addition and Subtraction" Fraction Addition and Subtraction PPT Courseware 2
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"Mixed Operations of Addition and Subtraction of Decimals" Addition and subtraction of decimals PPT courseware
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"Continuous Subtraction" Addition and Subtraction Mixed Operation PPT Courseware
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"Checking of Addition and Subtraction" Flash animation courseware for addition and subtraction within 10,000
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2019-02-21 13:00:00
"Adding and Subtracting Fractions" PPT courseware
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2023-09-25 18:04:34
"Mixed Calculation of Fraction Addition and Subtraction" Fraction Addition and Subtraction PPT Courseware 2
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"Simple Calculation of Fraction Addition and Subtraction" Fraction Addition and Subtraction PPT Courseware 2
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"Mixed Calculation of Fraction Addition and Subtraction" Fraction Addition and Subtraction PPT Courseware 2
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"Mixed Operations of Addition and Subtraction of Fractions" Addition and Subtraction of Fractions PPT Courseware
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"Estimation" PPT
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"Simple Operations of Addition and Subtraction of Decimals" Addition and Subtraction of Decimals PPT Courseware
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"Estimation" PPT
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"Estimation" PPT
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"Estimation" PPT
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"Estimation" PPT
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"Estimation" PPT
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"Continuous Addition" Addition and Subtraction Mixed Operation PPT Courseware
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"Mixed Operations of Addition and Subtraction" PPT courseware
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"Adding and Subtracting Fractions" PPT Courseware for Adding and Subtracting Fractions 2
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"Mixed Operations of Addition and Subtraction of Decimals" Addition and Subtraction of Decimals PPT Courseware 3
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