KÉO THẢ PHÂN LOẠI HÌNH

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con vât dưới nước về ô bên trái, con vật trên mặt đất

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Subtracting 1

Addition and Subtraction - Math

Use the ;pictures to solve the subtraction problems.

Addition on number line

Addition and Subtraction - Math

Addition on number line 

Addition on number line

Addition and Subtraction - Math

Addition on number line 

Addition of single number

Addition and Subtraction - Math

count and add the numbers