题目内容
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3
3
=| 3 |
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| 3 |
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分析:根据题意,图表示3个
相加,然后分别用加法算式和乘法算式及一步解答.
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解答:解:
+
+
=
;
×3=
.
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点评:求几个相同加数的和是多少,用乘法进行解答.
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