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                                    Hot Farmer's Wife: Buying a Husband for the Farm - Chapter 100 - Chilies from a Foreign Land
                            
                                                            
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                                        Chapter 99 - Addition and Subtraction
                                
                                                                                        
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                                        Chapter 101 - Have You Thought of Starting a Business?
                                
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... yue taught the vertical method of addition and subtraction to Liang Chengcai.
Liang Chengcai was very surprised. He didn’t expect that he could calculate the addition or subtraction of two big numbers so quickly without using an abacus.
“Well, now that you’ve learned addition and subtraction, let’s learn compound addition and subtraction using brackets.”
Lin Xiaoyue wrote down an equation and began to talk about the calculation method and the use of brackets.
Lian ...
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