<span class='text_page_counter'>(1)</span><div class='page_container' data-page=1></div>
<span class='text_page_counter'>(2)</span><div class='page_container' data-page=2>
<b> đúng - </b>
<b>sai</b>
<b>* 2 + 3 = 5</b>
<b><sub>* 1 + 0 = 0</sub></b>
<b>* 3 + 1+ 1 = 5</b>
<b>*2 + 1 < 3</b>
</div>
<span class='text_page_counter'>(3)</span><div class='page_container' data-page=3>
<b> đúng - s</b>
<b>ai</b>
<b>* 2 + 3 = 5</b>
<b><sub>* 1 + 0 = 0</sub></b>
<b>* 3 + 1+ 1 = 5</b>
<b>*2 + 1 < 3</b>
</div>
<span class='text_page_counter'>(4)</span><div class='page_container' data-page=4></div>
<span class='text_page_counter'>(5)</span><div class='page_container' data-page=5></div>
<span class='text_page_counter'>(6)</span><div class='page_container' data-page=6></div>
<span class='text_page_counter'>(7)</span><div class='page_container' data-page=7></div>
<span class='text_page_counter'>(8)</span><div class='page_container' data-page=8></div>
<span class='text_page_counter'>(9)</span><div class='page_container' data-page=9>
<b>2</b>
<b> -</b>
<b>1</b>
<b>=</b>
<b>1</b>
<b>3</b>
<b>-</b>
<b>1</b>
<b>=</b>
<b>2</b>
<b>3</b>
<b>-</b>
<b>2</b>
<b>=</b>
<b>1</b>
</div>
<span class='text_page_counter'>(10)</span><div class='page_container' data-page=10>
2
1
3
2
2 + 1 = 3
1 + 2 = 3
3 - 1 = 2
</div>
<span class='text_page_counter'>(11)</span><div class='page_container' data-page=11>
<b>2</b>
+
<b>1</b>
=
<b>3</b>
-
=
-
=
<b>2</b>
<b>1</b>
<b>3</b>
</div>
<span class='text_page_counter'>(12)</span><div class='page_container' data-page=12></div>
<span class='text_page_counter'>(13)</span><div class='page_container' data-page=13>
<b>Bài 1: Tính</b>
1 + 1 =
2 – 1 =
3 – 1 =
1 + 2 =
3 – 2 =
3 – 1 =
3 – 1 =
3 – 2 =
2 – 1 =
<b>2</b>
<b>1</b>
<b>1</b>
<b>2</b>
<b>1</b> <b><sub>2</sub></b>
<b>3</b>
<b>1</b>
<b>2</b>
2 – 1 =
3 – 1 =
3 – 2 =
<b>1</b>
<b>2</b>
</div>
<span class='text_page_counter'>(14)</span><div class='page_container' data-page=14></div>
<span class='text_page_counter'>(15)</span><div class='page_container' data-page=15>
<b>Bài 3 : Viết phép tính thích hợp</b>
</div>
<span class='text_page_counter'>(16)</span><div class='page_container' data-page=16></div>
<span class='text_page_counter'>(17)</span><div class='page_container' data-page=17>
các thầy cô giáo và
các thầy cô giáo và
c¸c con häc sinh
c¸c con häc sinh
</div>
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