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"Exercise after class" Addition and subtraction within 100 Flash animation courseware 9
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2019-01-18 18:00:00
"How many numbers are added to 9" Carry addition within 20 PPT courseware 3
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"Addition" 1-5 understanding and addition and subtraction PPT courseware 3
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"How many numbers are added to 8 and 7" PPT courseware for carry addition within 20
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"9 Addition" Carry addition within 20 PPT courseware 2
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"Inequality" Equality and Inequality PPT (Solution Set of Inequality in Lesson 3 and Solution of Quadratic Inequality of One Variable in Lesson 4)
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"The Kingdom of the Golden Tower—Egypt" PPT
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"Is the calculation correct?" Addition and subtraction PPT
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"8, 7, 6 plus a few" PPT courseware
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"5, 4, 3 plus how many" PPT courseware
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"Estimation of Addition and Subtraction" PPT courseware
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"Simple Fraction Addition and Subtraction" PPT
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"Addition and Subtraction Mixing" PPT Courseware 2
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"9 plus a few" PPT courseware mathematics
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"Addition and subtraction estimation" PPT courseware
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2019-02-17 07:00:00
"Addition Without Carry" PPT Courseware
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2019-02-13 20:00:00
"Exercise after class" Addition and subtraction within 100 Flash animation courseware 4
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2019-02-09 16:00:00
"Exercise after class" Addition and subtraction within 100 Flash animation courseware 3
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2019-02-26 01:00:00
"Multiplication of Rational Numbers" Rational Numbers and Their Operations PPT Courseware (Lesson 2)
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"The Effect of Rivers on Land" Earth's Surface and Its Changes PPT Courseware 4
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"Reducing Land Erosion" Earth's Surface and Its Changes PPT Courseware 4
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"Reducing Land Erosion" Earth's Surface and Its Changes PPT Courseware 5
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"Water Pollution and Its Prevention and Control" Resource Protection and Environmental Crisis PPT Courseware 2
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"Water Pollution and Its Prevention and Control" Resource Protection and Environmental Crisis PPT Courseware 2
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"Ancient Religion" Ancient Eastern and Western Civilizations and Their Exchanges PPT Courseware 3
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"Erosion of Land by Rainwater" Earth's Surface and Its Changes PPT Courseware 2
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"The Effect of Rivers on Land" Earth's Surface and Its Changes PPT Courseware 2
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"Fractional Equations" Fractional PPT (use fractional equations to solve practical problems in Lesson 2)
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"Reducing Land Erosion" Earth's Surface and Its Changes PPT Courseware 6
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"Iron and its Compounds" Iron Metal Materials PPT (Elementary Substance of Iron in Lesson 1)
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"Organizing Data in Different Ways" Data Collection and Arrangement PPT Courseware
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"Reducing Land Erosion" Earth's Surface and Its Changes PPT Courseware 3
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