Learning is the whole fraction addition and subtraction Because children can"t remember how to make equal parts before they will bring negative positive? Multiplication children have problems in shortening fraction to irreducible fraction. The division and the child will change sign division is multiply and forget the back debris into parts. Which of these problems is that the children don"t fully understand of the fraction. The organizer is interested to do fractions. To make children"s understanding about a fraction more. And can remember how to find the answer accurately. It is suitable for the use in order to learn and practice exercises.Finally, the author hope this book will be helpful to those who study and thank you, master.Jeera that Sena machine, who recommended that this book was successful as well.
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