Bài giảng Chuyên đề Toán lớp 1 - bài Phép cộng trong phạm vi 5
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1 + 3 5
1 + 2 1 + 1
<b>…</b>
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3 + 2 =
2 + 3 =
4 + 1 =
1 + 4 =
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<b> </b>
<b>4 + 1 = 5</b>
<b>1 + 4 = 5</b>
<b>4 + 1 = 1 + 4</b>
<b>1</b>
<b>5</b>
<b>4</b> <b> </b>
<b>3 + 2 = 5</b>
<b>2 + 3 = 5</b>
<b>3 + 2 = 2 + 3</b>
<b>2</b>
<b>5</b>
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3 + 2 =
2 + 3 =
4 + 1 =
1 + 4 =
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3 + 2 =
2 + 3 =
4 + 1 =
1 + 4 =
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3 + 2 =
2 + 3 =
4 + 1 =
1 + 4 =
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3 + 2 =
2 + 3 =
4 + 1 =
1 + 4 =
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<b>1</b> <b>TÝnh :</b>
<b>4 + 1 =</b>
<b>3 + 2 =</b>
<b>2 + 3 =</b>
<b>1 + 4 =</b>
<b>2 + 2 =</b>
<b>2 + 3 =</b>
<b>5</b>
<b>5</b>
<b>5</b>
<b>5</b>
<b>4</b>
<b>5</b>
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<b>4</b>
<b>1</b> <b>3</b> <b>2</b>
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<b>3</b> <b>Sè ?</b>
<b>4 + 1 = …</b>
<b>1 + 4 = …</b>
<b>5 = 4 + …</b>
<b>5 = 1 + …</b>
<b>3 + 2 = …</b>
<b>2 + 3 = …</b>
<b>5</b>
<b>5</b>
<b>1</b>
<b>4</b>
<b>5</b>
<b>5</b>
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<b>ViÕt phÐp tÝnh thÝch hỵp:</b>
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<b>5</b>
<b>+</b>
<b>4</b> <b>1</b> <b><sub>=</sub></b>
<b>5</b>
<b>+</b>
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<b>B. 4</b>
<b>D. 2</b>
<b>3 + 2 = ?</b>
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<b>D. 3</b>
<b>B. 1</b>
<b>1 + 4 = 4 +….</b>
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<b>D. 1</b>
<b>B. 3</b>
<b>A. 0</b> <b>C. 2</b>
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