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分数加减法的简便计算ppt Free Resources Download
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"Adding two-digit numbers to two-digit numbers orally" PPT courseware for addition and subtraction of two- and three-digit numbers
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2023-09-25 18:03:50
"Law of Addition" PPT courseware on the relationship between addition and subtraction and the law of addition
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""Kingdom of Fractions" and "Kingdom of Decimals"" Fraction Addition and Subtraction PPT Courseware
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"Check of Addition" PPT courseware for addition and subtraction within 10,000
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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
"Adding two-digit numbers to two-digit numbers orally" PPT courseware for addition and subtraction of two- and three-digit numbers
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2023-10-05 09:42:20
""Kingdom of Fractions" and "Kingdom of Decimals"" Fraction Addition and Subtraction PPT Download
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"1-5 Understanding and Addition and Subtraction" PPT
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"Simple addition and subtraction of decimals" Preliminary understanding of decimals PPT
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"Subtracting two-digit numbers from two-digit numbers orally" Addition and subtraction of two- and three-digit numbers PPT courseware 2
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2023-10-05 09:42:20
"Subtracting two-digit numbers from two-digit numbers orally" Addition and subtraction of two- and three-digit numbers PPT courseware 2
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"Addition and subtraction of 10" PPT courseware mathematics
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"Exploring the rules of addition and subtraction of three-digit numbers" PPT courseware of addition and subtraction of three-digit numbers
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"Solving problems with addition and subtraction of three-digit numbers" PPT courseware for addition and subtraction of three-digit numbers
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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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2023-09-25 18:40:10
"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
"Simple Calculation" PPT
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2023-09-25 17:30:12
"Adding two-digit numbers to two-digit numbers orally" Addition and subtraction of two- and three-digit numbers PPT courseware 2
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"Addition and Subtraction of Rational Numbers" PPT courseware
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"Addition and Subtraction of Decimals" PPT Courseware 7
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"Addition and Subtraction of Decimals" PPT Courseware 7
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"Adding and Subtracting Integer Tens" PPT courseware for addition and subtraction within 100
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"Addition and Subtraction of Decimals" PPT Courseware 6
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"Adding two-digit numbers to two-digit numbers orally" Addition and subtraction of two- and three-digit numbers PPT courseware 2
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"Adding and subtracting two-digit numbers with two-digit numbers" PPT courseware for addition and subtraction within 100
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"Simple Calculation" PPT
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"Addition and Subtraction of Fractions" PPT Courseware 2
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"Addition and Subtraction of 10" PPT courseware on understanding and addition and subtraction of numbers within 10
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"Addition and Subtraction of Decimals" PPT Courseware 5
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"Addition and Subtraction of Decimals" PPT Courseware 6
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"Adding and Subtracting Integer Tens" PPT courseware for addition and subtraction within 100
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"Exploring the Rules of Addition and Subtraction of Three-Digit Numbers" PPT Courseware of Addition and Subtraction of Three-Digit Numbers 2
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""Kingdom of Fractions" and "Kingdom of Decimals"" Fraction Addition and Subtraction PPT Courseware 2
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"Addition and Subtraction of 10" PPT courseware for addition and subtraction within 10
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"Sunday Arrangement" Fraction Addition and Subtraction PPT Courseware
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"Continuous Addition and Continuous Subtraction" PPT on addition and subtraction within 100
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"Exploring the Rules of Addition and Subtraction of Three-Digit Numbers" Three-digit Addition and Subtraction PPT Courseware 2
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"Adding and subtracting two-digit numbers with two-digit numbers" Addition and subtraction within 100 PPT courseware 2
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"Adding and subtracting whole tens to whole tens" Addition and subtraction within 100 PPT courseware 3
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"Sunday's arrangement" fraction addition and subtraction PPT download
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"Adding and Subtracting Whole Tens to Tens" Addition and subtraction within 100 PPT courseware 2
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