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Addition and subtraction of fractions
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Addition and subtraction of decimals
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quadrangle
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"Perfect your application skills with the Type Reinforcement System! Power!"

What is the 'Type Reinforcement System'?
A system that conquers application types through level-based type learning in the [Type Book] based on the concepts learned in the [Concept Book].

[Concept Book] Clear and concise concept learning and level-based type learning
[Type Book] Complete application with 'Practical Type' and leap to the top with 'High-Rank Type'

·『Concept + Type Power』is a textbook with a type reinforcement system that solidly improves application skills.

·『Concept + Type Power』 is composed of '15% lower, 40% middle, 30% upper, and 15% highest problems', making it ideal for completing applications.